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Prof. Dr.  Olaf Lechtenfeld

https://orcid.org/0000-0003-1947-484X
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Publications

  1. 2024

  2. Published

    Nicolai maps for super Yang–Mills on the light cone

    Lechtenfeld, O., Sept 2024, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 856, 7 p., 138950.

    Research output: Contribution to journal › Article › Research › peer review

  3. Published

    Exact gauge fields from anti-de Sitter space

    Hirpara, S., Kumar, K., Lechtenfeld, O. & Picanço Costa, G., Jul 2024, In: Journal of mathematical physics. 65, 7, 14 p., 072903.

    Research output: Contribution to journal › Article › Research › peer review

  4. Published

    A hyperbolic Kac-Moody Calogero model

    Lechtenfeld, O. & Zagier, D., 14 Jun 2024, In: Journal of high energy physics. 2024, 6, 31 p., 93.

    Research output: Contribution to journal › Article › Research › peer review

  5. Published

    A Casimir operator for a Calogero W algebra

    Correa, F., Leal, G., Lechtenfeld, O. & Marquette, I., 12 Feb 2024, In: Journal of Physics A: Mathematical and Theoretical. 57, 8, 085203.

    Research output: Contribution to journal › Article › Research › peer review

  6. 2023

  7. Published

    Nicolai maps with four-fermion interactions

    Casarin, L., Lechtenfeld, O. & Rupprecht, M., 19 Dec 2023, In: Journal of high energy physics. 2023, 12, 17 p., 132.

    Research output: Contribution to journal › Article › Research › peer review

  8. Published

    An improved Nicolai map for super Yang–Mills theory

    Lechtenfeld, O. & Rupprecht, M., 10 Mar 2023, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 838, 137681.

    Research output: Contribution to journal › Article › Research › peer review

  9. Published

    Quasi-hermitian quantum mechanics and a new class of user-friendly matrix hamiltonians

    Lechtenfeld, O. & Znojil, M., 2023, In: Journal of Physics: Conference Series. 2667, 8 p., 012036.

    Research output: Contribution to journal › Conference article › Research › peer review

  10. Published

    The Nicolai-map approach to supersymmetry

    Lechtenfeld, O., 2023, In: Journal of Physics: Conference Series. 2667, 11 p., 012001.

    Research output: Contribution to journal › Conference article › Research › peer review

  11. 2022

  12. Published

    Supersymmetric large-order perturbation with the Nicolai map

    Lechtenfeld, O., 10 Dec 2022, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 835, 137507.

    Research output: Contribution to journal › Article › Research › peer review

  13. Published

    Yang–Mills solutions on Minkowski space via non-compact coset spaces

    Kumar, K., Lechtenfeld, O., Picanço Costa, G. & Röhrig, J., 10 Dec 2022, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 835, 10 p., 137564.

    Research output: Contribution to journal › Article › Research › peer review

  14. Published

    The Nicolai map for super Yang-Mills theory and application to the supermembrane

    Lechtenfeld, O., 23 Nov 2022, In: Proceedings of Science. 406, 12 p., 291.

    Research output: Contribution to journal › Conference article › Research › peer review

  15. Published

    Is the Nicolai map unique?

    Lechtenfeld, O. & Rupprecht, M., 19 Sept 2022, In: Journal of high energy physics. 2022, 9, 139.

    Research output: Contribution to journal › Article › Research › peer review

  16. Published

    Integrability of supersymmetric Calogero–Moser models

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 10 Aug 2022, In: Physics Letters B. 831, 137184.

    Research output: Contribution to journal › Article › Research › peer review

  17. Published

    Trajectories of charged particles in knotted electromagnetic fields

    Kumar, K., Lechtenfeld, O. & Costa, G. P., 5 Aug 2022, In: Journal of Physics A: Mathematical and Theoretical. 55, 31, 315401.

    Research output: Contribution to journal › Article › Research › peer review

  18. Published

    A perturbative expansion scheme for supermembrane and matrix theory

    Lechtenfeld, O. & Nicolai, H., 15 Feb 2022, In: Journal of high energy physics. 2022, 2, 114.

    Research output: Contribution to journal › Article › Research › peer review

  19. 2021

  20. Published

    Instability of cosmic Yang-Mills fields

    Kumar, K., Lechtenfeld, O. & Picanço Costa, G., Dec 2021, In: Nuclear Physics B. 973, 115583.

    Research output: Contribution to journal › Article › Research › peer review

  21. Published

    Algebraic integrability of PT -deformed Calogero models

    Correa, F. & Lechtenfeld, O., 25 Oct 2021, In: Journal of Physics: Conference Series. 2038, 1, 012007.

    Research output: Contribution to journal › Conference article › Research › peer review

  22. Published

    A low-energy limit of Yang-Mills theory on de Sitter space

    Cork, J., Kutluk, E. Ş., Lechtenfeld, O. & Popov, A. D., 16 Sept 2021, In: Journal of High Energy Physics. 2021, 9, 89.

    Research output: Contribution to journal › Article › Research › peer review

  23. Published

    Construction method for the Nicolai map in supersymmetric Yang–Mills theories

    Lechtenfeld, O. & Rupprecht, M., 10 Aug 2021, In: Physics Letters B. 819, 136413.

    Research output: Contribution to journal › Article › Research › peer review

  24. Published

    Universal form of the Nicolai map

    Lechtenfeld, O. & Rupprecht, M., 7 Jul 2021, In: Physical Review D. 104, 2, L021701.

    Research output: Contribution to journal › Letter › Research › peer review

  25. Published

    Integrability, intertwiners and non-linear algebras in Calogero models

    Carrillo-Morales, F., Correa, F. & Lechtenfeld, O., 19 May 2021, In: Journal of high energy physics. 2021, 5, 163.

    Research output: Contribution to journal › Article › Research › peer review

  26. Published

    Electromagnetic knots from de Sitter space

    Lechtenfeld, O., 23 Apr 2021, Proceedings of RDP online workshop "Recent Advances in Mathematical Physics": PoS(Regio2020). (Proceedings of Science; vol. 394).

    Research output: Chapter in book/report/conference proceeding › Contribution to book/anthology › Research

  27. Published

    New approach to N = 2 supersymmetric Ruijsenaars-Schneider model

    Kozyrev, N., Krivonos, S. & Lechtenfeld, O., 23 Apr 2021, Proceedings of RDP online workshop "Recent Advances in Mathematical Physics: PoS(Regio2020). (Proceedings of Science; vol. 394).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review

  28. 2020

  29. Published

    Perturbative linearization of supersymmetric Yang-Mills theory

    Ananth, S., Lechtenfeld, O., Malcha, H., Nicolai, H., Pandey, C. & Pant, S., 29 Oct 2020, In: Journal of high energy physics. 2020, 10, 199.

    Research output: Contribution to journal › Article › Research › peer review

  30. Published

    Supersymmetric Calogero Models from Superfield Gauging

    Ivanov, E. A., Lechtenfeld, O. & Fedoruk, S., 17 Sept 2020, In: Physics of particles and nuclei. 51, 4, p. 551-556 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  31. Published

    From Yang–Mills in de Sitter Space to Electromagnetic Knots

    Lechtenfeld, O., Sept 2020, In: Physics of Particles and Nuclei Letters. 17, 5, p. 701-706 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  32. Published

    On rational electromagnetic fields

    Kumar, K. & Lechtenfeld, O., 17 Aug 2020, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 384, 23, 126445.

    Research output: Contribution to journal › Article › Research › peer review

  33. Published

    On N=2 supersymmetric Ruijsenaars–Schneider models

    Krivonos, S. & Lechtenfeld, O., 10 Aug 2020, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 807, 135545.

    Research output: Contribution to journal › Article › Research › peer review

  34. Published

    New N = 2 superspace Calogero models

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 27 May 2020, In: Journal of high energy physics. 2020, 5, 132.

    Research output: Contribution to journal › Article › Research › peer review

  35. Published

    N=4 supersymmetric Calogero-Sutherland models

    Krivonos, S. & Lechtenfeld, O., 7 Apr 2020, In: Physical Review D. 101, 8, 086010.

    Research output: Contribution to journal › Article › Research › peer review

  36. 2019

  37. E-pub ahead of print

    Extended supersymmetric multiparticle Euler-Calogero-Moser model

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 2 Oct 2019, (E-pub ahead of print) In: Journal of Physics: Conference Series. 1194, 1, 012062.

    Research output: Contribution to journal › Conference article › Research › peer review

  38. E-pub ahead of print

    Rational Maxwell knots via de Sitter space

    Lechtenfeld, O. & Zhilin, G., 2 Oct 2019, (E-pub ahead of print) In: Journal of Physics: Conference Series. 1194, 1, 012068.

    Research output: Contribution to journal › Conference article › Research › peer review

  39. Published

    A new construction of rational electromagnetic knots

    Lechtenfeld, O. & Zhilin, G., 19 Sept 2019, In: Proceedings of Science. 347

    Research output: Contribution to journal › Conference article › Research › peer review

  40. Published

    Skyrme and Faddeev models in the low-energy limit of 4d Yang–Mills–Higgs theories

    Lechtenfeld, O. & Popov, A., Aug 2019, In: Nuclear Physics B. 945, 114675.

    Research output: Contribution to journal › Article › Research › peer review

  41. Published

    Supersymmetric hyperbolic Calogero-Sutherland models by gauging

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., Jul 2019, In: Nuclear Physics B. 944, 114633.

    Research output: Contribution to journal › Article › Research › peer review

  42. Published

    Dual infrared limits of 6d N=(2,0)theory

    Lechtenfeld, O. & Popov, A., 10 Jun 2019, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 793, p. 297-302 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  43. Published

    PT deformation of Calogero-Sutherland models

    Correa, F. & Lechtenfeld, O., May 2019, In: Journal of high energy physics. 2019, 5, 166.

    Research output: Contribution to journal › Article › Research › peer review

  44. Published

    Sasakian quiver gauge theories and instantons on cones over round and squashed seven-spheres

    Geipel, J. C., Lechtenfeld, O., Popov, A. D. & Szabo, R. J., May 2019, In: Nuclear Physics B. 942, p. 103-148 46 p.

    Research output: Contribution to journal › Article › Research › peer review

  45. Published

    Extended supersymmetric Calogero model

    Krivonos, S., Lechtenfeld, O., Provorov, A. & Sutulin, A., 10 Apr 2019, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 791, p. 385-389 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  46. Published

    Supersymmetric many-body Euler–Calogero–Moser model

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 10 Mar 2019, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 790, p. 191-196 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  47. Published

    Spinning extensions of D(2, 1; α) superconformal mechanics

    Galajinsky, A. & Lechtenfeld, O., Mar 2019, In: Journal of high energy physics. 2019, 3, 69.

    Research output: Contribution to journal › Article › Research › peer review

  48. Published

    Deformed N =8 supersymmetric mechanics

    Ivanov, E., Lechtenfeld, O. & Sidorov, S., Feb 2019, In: Symmetry. 11, 2, 135.

    Research output: Contribution to journal › Review article › Research › peer review

  49. 2018

  50. Published

    Skyrme–Faddeev model from 5d super-Yang–Mills

    Lechtenfeld, O. & Popov, A. D., 10 Nov 2018, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 786, p. 39-44 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  51. Published

    Yang-Mills solutions on de Sitter space of any dimension

    Lechtenfeld, O. & Ünal, G., 15 Oct 2018, In: Physical Review D. 98, 8, 085008.

    Research output: Contribution to journal › Article › Research › peer review

  52. Published

    N-extended supersymmetric Calogero models

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 10 Sept 2018, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 784, p. 137-141 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  53. Published

    Pure Yang–Mills Solutions on dS4

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., Sept 2018, In: Physics of particles and nuclei. 49, 5, p. 854-859 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  54. Published

    Skyrme model from 6d N=(2,0) theory

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 10 Aug 2018, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 783, p. 222-226 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  55. Published

    Deformed N= 8 mechanics of (8, 8, 0) multiplets

    Ivanov, E., Lechtenfeld, O. & Sidorov, S., Aug 2018, In: Journal of high energy physics. 2018, 8, 193.

    Research output: Contribution to journal › Article › Research › peer review

  56. Published

    A new construction of rational electromagnetic knots

    Lechtenfeld, O. & Zhilin, G., 12 Jun 2018, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 382, 23, p. 1528-1533 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  57. Published

    Non-Abelian sigma models from Yang–Mills theory compactified on a circle

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 10 Jun 2018, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 781, p. 322-326 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  58. Published

    SU(2|1) supersymmetric mechanics on curved spaces

    Kozyrev, N., Krivonos, S., Lechtenfeld, O. & Sutulin, A., May 2018, In: Journal of high energy physics. 2018, 5, 175.

    Research output: Contribution to journal › Article › Research › peer review

  59. Published

    N=4 supersymmetric mechanics on curved spaces

    Kozyrev, N., Krivonos, S., Lechtenfeld, O., Nersessian, A. & Sutulin, A., 15 Apr 2018, In: Physical Review D. 97, 8, 085015.

    Research output: Contribution to journal › Article › Research › peer review

  60. Published

    Quantum SU(2|1) supersymmetric Calogero-Moser spinning systems

    Fedoruk, S., Ivanov, E., Lechtenfeld, O. & Sidorov, S., Apr 2018, In: Journal of high energy physics. 2018, 4, 43.

    Research output: Contribution to journal › Article › Research › peer review

  61. Published

    Curved WDVV equation and supersymmetric mechanics

    Kozyrev, N., Krivonos, S., Lechtenfeld, O., Nersessian, A. & Sutulin, A., 1 Mar 2018, In: Journal of Physics: Conference Series. 965, 012026.

    Research output: Contribution to journal › Conference article › Research › peer review

  62. 2017

  63. Published

    Finite-action solutions of Yang-Mills equations on de Sitter dS4 and anti-de Sitter AdS4 spaces

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 1 Nov 2017, In: Journal of high energy physics. 2017, 11, 17.

    Research output: Contribution to journal › Article › Research › peer review

  64. Published

    PT deformation of angular Calogero models

    Correa, F. & Lechtenfeld, O., 1 Nov 2017, In: Journal of high energy physics. 2017, 11, 122.

    Research output: Contribution to journal › Article › Research › peer review

  65. Published

    Hidden symmetries of deformed oscillators

    Krivonos, S., Lechtenfeld, O. & Sorin, A., Nov 2017, In: Nuclear Physics B. 924, p. 33-46 14 p.

    Research output: Contribution to journal › Article › Research › peer review

  66. Published

    Solutions to Yang-Mills Equations on Four-Dimensional de Sitter Space

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 11 Aug 2017, In: Physical review letters. 119, 6, 061601.

    Research output: Contribution to journal › Article › Research › peer review

  67. Published

    The tetrahexahedric angular Calogero model

    Correa, F. & Lechtenfeld, O., 4 Apr 2017, In: Journal of Physics: Conference Series. 804, 1, 012011.

    Research output: Contribution to journal › Conference article › Research › peer review

  68. Published

    The tetrahexahedric Calogero model

    Correa, F. & Lechtenfeld, O., Mar 2017, In: Physics of Particles and Nuclei Letters. 14, 2, p. 304-311 8 p.

    Research output: Contribution to journal › Article › Research › peer review

  69. Published

    Curved Witten-Dijkgraaf-Verlinde-Verlinde equation and N=4 mechanics

    Kozyrev, N., Krivonos, S., Lechtenfeld, O., Nersessian, A. & Sutulin, A., 2017, In: Physical Review D. 96, 10, 101702.

    Research output: Contribution to journal › Article › Research › peer review

  70. Published

    Pure Yang–Mills solutions on dS4

    Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 2017, In: Proceedings of Science. 318, 204.

    Research output: Contribution to journal › Conference article › Research › peer review

  71. 2016

  72. Published

    Superstring limit of Yang–Mills theories

    Lechtenfeld, O. & Popov, A. D., 10 Nov 2016, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 762, p. 309-314 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  73. Published

    SU(2|2) supersymmetric mechanics

    Ivanov, E., Lechtenfeld, O. & Sidorov, S., 1 Nov 2016, In: Journal of high energy physics. 2016, 11, 31.

    Research output: Contribution to journal › Article › Research › peer review

  74. Published

    Minimal realization of ℓ-conformal Galilei algebra, Pais-Uhlenbeck oscillators and their deformation

    Krivonos, S., Lechtenfeld, O. & Sorin, A., 1 Oct 2016, In: Journal of high energy physics. 2016, 10, 78.

    Research output: Contribution to journal › Article › Research › peer review

  75. Published

    Superconformal SU(1, 1|n) mechanics

    Galajinsky, A. & Lechtenfeld, O., 1 Sept 2016, In: Journal of high energy physics. 2016, 9, 114.

    Research output: Contribution to journal › Article › Research › peer review

  76. Published

    Spherical Calogero model with oscillator/Coulomb potential: Quantum case

    Correa, F., Hakobyan, T., Lechtenfeld, O. & Nersessian, A., 7 Jun 2016, In: Physical Review D. 93, 12, 125009.

    Research output: Contribution to journal › Article › Research › peer review

  77. Published

    Spherical Calogero model with oscillator/Coulomb potential: Classical case

    Correa, F., Hakobyan, T., Lechtenfeld, O. & Nersessian, A., 7 Jun 2016, In: Physical Review D. 93, 12, 125008.

    Research output: Contribution to journal › Article › Research › peer review

  78. Published

    Sasakian quiver gauge theories and instantons on the conifold

    Geipel, J. C., Lechtenfeld, O., Popov, A. D. & Szabo, R. J., Jun 2016, In: Nuclear Physics B. 907, p. 445-475 31 p.

    Research output: Contribution to journal › Article › Research › peer review

  79. Published

    On Asteroid Engineering

    Lechtenfeld, O., 29 Mar 2016, In: Global Journal of Science Frontier Research. 16

    Research output: Contribution to journal › Article › Research › peer review

  80. Published

    Higher-derivative superparticle in AdS3 space

    Kozyrev, N., Krivonos, S. & Lechtenfeld, O., 10 Mar 2016, In: Physical Review D. 93, 6, 065024.

    Research output: Contribution to journal › Article › Research › peer review

  81. Published

    A Calogero formulation for four-dimensional black-hole microstates

    Lechtenfeld, O. & Nampuri, S., 10 Feb 2016, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 753, p. 263-267 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  82. Published

    Supermembrane limit of Yang-Mills theory

    Lechtenfeld, O. & Popov, A. D., 1 Feb 2016, In: Journal of mathematical physics. 57, 2, 023520.

    Research output: Contribution to journal › Article › Research › peer review

  83. Published

    Calogero, spherically reduced and PT-deformed

    Correa, F. & Lechtenfeld, O., 2016, In: Proceedings of Science. 292, 095.

    Research output: Contribution to journal › Conference article › Research › peer review

  84. Published

    Sasakian quiver gauge theories and instantons on Calabi-Yau cones

    Lechtenfeld, O., Popov, A. D. & Szabo, R. J., 2016, In: Advances in Theoretical and Mathematical Physics. 20, 4, p. 821-882 62 p.

    Research output: Contribution to journal › Article › Research › peer review

  85. 2015

  86. Published

    Sigma models for genuinely non-geometric backgrounds

    Chatzistavrakidis, A., Jonke, L. & Lechtenfeld, O., 1 Nov 2015, In: Journal of high energy physics. 2015, 11, p. 1-36 36 p., 182.

    Research output: Contribution to journal › Article › Research › peer review

  87. Published

    Sasakian quiver gauge theories and instantons on cones over lens 5-spaces

    Lechtenfeld, O., Popov, A. D., Sperling, M. & Szabo, R. J., 1 Oct 2015, In: Nuclear Physics B. 899, p. 848-903 56 p.

    Research output: Contribution to journal › Article › Research › peer review

  88. Published

    The tetrahexahedric angular Calogero model

    Correa, F. & Lechtenfeld, O., 1 Oct 2015, In: Journal of high energy physics. 2015, 10, 191.

    Research output: Contribution to journal › Article › Research › peer review

  89. Published

    Yang-Mills moduli space in the adiabatic limit

    Lechtenfeld, O. & Popov, A. D., 21 Sept 2015, In: Journal of Physics A: Mathematical and Theoretical. 48, 42, 425401.

    Research output: Contribution to journal › Article › Research › peer review

  90. Published

    Auxiliary tensor fields for Sp(2, ℝ) self-duality

    Ivanov, E. A., Lechtenfeld, O. & Zupnik, B. M., 1 Mar 2015, In: Journal of high energy physics. 2015, 3

    Research output: Contribution to journal › Article › Research › peer review

  91. Published

    Instantons on conical half-flat 6-manifolds

    Bunk, S., Lechtenfeld, O., Popov, A. D. & Sperling, M., 2015, In: Journal of high energy physics. 2015, 1, p. 1-38 38 p., 30.

    Research output: Contribution to journal › Article › Research › peer review

  92. Published

    Sigma-model limit of Yang-Mills instantons in higher dimensions

    Deser, A., Lechtenfeld, O. & Popov, A. D., 2015, In: Nuclear Physics B. 894, p. 361-373 13 p.

    Research output: Contribution to journal › Article › Research › peer review

  93. 2014

  94. Published

    Superintegrability of generalized Calogero models with oscillator or Coulomb potential

    Hakobyan, T., Lechtenfeld, O. & Nersessian, A., 25 Nov 2014, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 90, 10, 101701.

    Research output: Contribution to journal › Article › Research › peer review

  95. Published

    Order α′ heterotic domain walls with warped nearly Kähler geometry

    Haupt, A. S., Lechtenfeld, O. & Musaev, E. T., Nov 2014, In: Journal of high energy physics. 2014, 11, 152.

    Research output: Contribution to journal › Article › Research › peer review

  96. Published

    Instantons on sine-cones over Sasakian manifolds

    Bunk, S., Ivanova, T. A., Lechtenfeld, O., Popov, A. D. & Sperling, M., 23 Sept 2014, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 90, 6, 065028.

    Research output: Contribution to journal › Article › Research › peer review

  97. Published

    Workshop on Noncommutative Field Theory and Gravity

    Anagnostopoulos, K., Lüst, D., Nishimura, J., Szabo, R., Zoupanos, G., Lechtenfeld, O., Kawai, H., Steinacker, H. & Watamura, S., 11 Sept 2014, In: Fortschritte der Physik. 62, 9-10, p. 706-708 3 p.

    Research output: Contribution to journal › Editorial in journal › Research › peer review

  98. Published

    The structure of invariants in conformal mechanics

    Hakobyan, T., Karakhanyan, D. & Lechtenfeld, O., 1 Sept 2014, In: Nuclear Physics B. 886, p. 399-420 22 p.

    Research output: Contribution to journal › Article › Research › peer review

  99. Published

    Dirac structures on nilmanifolds and coexistence of fluxes

    Chatzistavrakidis, A., Jonke, L. & Lechtenfeld, O., Jun 2014, In: Nuclear Physics B. 883, 1, p. 59-82 24 p.

    Research output: Contribution to journal › Article › Research › peer review

  100. Published

    Instantons in six dimensions and twistors

    Ivanova, T. A., Lechtenfeld, O., Popov, A. D. & Tormählen, M., May 2014, In: Nuclear Physics B. 882, 1, p. 205-218 14 p.

    Research output: Contribution to journal › Article › Research › peer review

  101. Published

    Nonlinear supersymmetry in the quantum Calogero model

    Correa, F., Lechtenfeld, O. & Plyushchay, M., Apr 2014, In: Journal of high energy physics. 2014, 4, 151.

    Research output: Contribution to journal › Article › Research › peer review

  102. Published

    Higher-derivative N = 4 superparticle in three-dimensional spacetime

    Kozyrev, N., Krivonos, S., Lechtenfeld, O. & Nersessian, A., 24 Feb 2014, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 89, 4, 045013.

    Research output: Contribution to journal › Article › Research › peer review

  103. Published

    On the Gribov problem in Yang-Mills theory

    Lechtenfeld, O., 2014, In: Physics of Particles and Nuclei Letters. 11, 7, p. 830-835 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  104. 2013

  105. Published

    Orbifold instantons, moment maps, and Yang-Mills theory with sources

    Ivanova, T. A., Lechtenfeld, O., Popov, A. D. & Szabo, R. J., 26 Nov 2013, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 88, 10, 105026.

    Research output: Contribution to journal › Article › Research › peer review

  106. Published

    Exact BPS bound for noncommutative baby Skyrmions

    Domrin, A., Lechtenfeld, O., Linares, R. & Maceda, M., 25 Nov 2013, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 727, 1-3, p. 303-307 5 p.

    Research output: Contribution to journal › Article › Research › peer review

  107. Published

    Heterotic G2-manifold compactifications with fluxes and fermionic condensates

    Gemmer, K. P. & Lechtenfeld, O., Nov 2013, In: Journal of high energy physics. 2013, 11, 182.

    Research output: Contribution to journal › Article › Research › peer review

  108. Published

    Field-dependent BRST transformations in Yang-Mills theory

    Lavrov, P. M. & Lechtenfeld, O., 1 Oct 2013, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 725, 4-5, p. 382-385 4 p.

    Research output: Contribution to journal › Article › Research › peer review

  109. Published

    Gribov horizon beyond the Landau gauge

    Lavrov, P. M. & Lechtenfeld, O., 1 Oct 2013, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 725, 4-5, p. 386-388 3 p.

    Research output: Contribution to journal › Article › Research › peer review

  110. Published

    Target duality in N=8 superconformal mechanics and the coupling of dual pairs

    Gonzales, M., Khodaee, S., Lechtenfeld, O. & Toppan, F., 1 Jul 2013, In: Journal of mathematical physics. 54, 7, 072902.

    Research output: Contribution to journal › Article › Research › peer review

  111. Published

    Heterotic string plus five-brane systems with asymptotic $\mathrm{AdS}_3$

    Gemmer, K., Haupt, A. S., Lechtenfeld, O., Nölle, C. & Popov, A. D., 1 Jan 2013, In: Advances in Theoretical and Mathematical Physics. 17, 4, p. 771-827

    Research output: Contribution to journal › Article › Research › peer review

  112. Published

    Auxiliary superfields in N = 1 supersymmetric self-dual electrodynamics

    Ivanov, E., Lechtenfeld, O. & Zupnik, B., 2013, In: Journal of high energy physics. 2013, 5, 133.

    Research output: Contribution to journal › Article › Research › peer review

  113. Published

    N=2 supersymmetric S2 → ℂℙ3 → S4 fibration viewed as superparticle mechanics

    Kozyrev, N., Krivonos, S. & Lechtenfeld, O., 2013, In: Journal of Physics: Conference Series. 411, 1, 012019.

    Research output: Contribution to journal › Conference article › Research › peer review

  114. Published

    New approach to duality-invariant nonlinear electrodynamics

    Ivanov, E., Lechtenfeld, O. & Zupnik, B., 2013, In: Journal of Physics: Conference Series. 474, 1, 012023.

    Research output: Contribution to journal › Conference article › Research › peer review

  115. Published

    On two-dimensional integrable models with a cubic or quartic integral of motion

    Galajinsky, A. & Lechtenfeld, O., 2013, In: Journal of high energy physics. 2013, 9, 113.

    Research output: Contribution to journal › Article › Research › peer review

  116. Published

    The quantum angular Calogero-Moser model

    Feigin, M., Lechtenfeld, O. & Polychronakos, A. P., 2013, In: Journal of high energy physics. 2013, 7, 162.

    Research output: Contribution to journal › Article › Research › peer review

  117. 2012

  118. Published

    Instantons on the six-sphere and twistors

    Lechtenfeld, O. & Popov, A. D., 19 Dec 2012, In: Journal of mathematical physics. 53, 12, 123506.

    Research output: Contribution to journal › Article › Research › peer review

  119. Published

    Action-angle variables and novel superintegrable systems

    Hakobyan, T., Lechtenfeld, O., Nersessian, A., Saghatelian, A. & Yeghikyan, V., Sept 2012, In: Physics of particles and nuclei. 43, 5, p. 577-582 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  120. Published

    Instantons and Chern-Simons flows in 6, 7 and 8 dimensions

    Lechtenfeld, O., Sept 2012, In: Physics of particles and nuclei. 43, 5, p. 569-576 8 p.

    Research output: Contribution to journal › Article › Research › peer review

  121. Published

    The spherical sector of the Calogero model as a reduced matrix model

    Hakobyan, T., Lechtenfeld, O. & Nersessian, A., 11 May 2012, In: Nuclear Physics B. 858, 2, p. 250-266 17 p.

    Research output: Contribution to journal › Article › Research › peer review

  122. Published

    Superconformal mechanics

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 4 May 2012, In: Journal of Physics A: Mathematical and Theoretical. 45, 17, 173001.

    Research output: Contribution to journal › Review article › Research › peer review

  123. Published

    Integrable generalizations of oscillator and Coulomb systems via action-angle variables

    Hakobyan, T., Lechtenfeld, O., Nersessian, A., Saghatelian, A. & Yeghikyan, V., 16 Jan 2012, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 376, 5, p. 679-686 8 p.

    Research output: Contribution to journal › Article › Research › peer review

  124. Published

    Gauged N=4 supersymmetric mechanics with spin supermultiplets: Talk by S.F. at the XXIX International Colloquium on Group-Theoretical Methods in Physics

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 2012, Gauged N=4 supersymmetric mechanics with spin supermultiplets. World Scientific

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research

  125. Published

    Instantons and Chern-Simons flows in six and seven dimensions: Talk at the Conference on Quantum Field Theory and Gravity `QFTG'12'

    Lechtenfeld, O., 2012, Instantons and Chern-Simons flows in six and seven dimensions. Vol. 128. p. 103-108

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research

  126. Published

    Nahm equations in supersymmetric mechanics

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 2012, In: Journal of high energy physics. 2012, 6, 147.

    Research output: Contribution to journal › Article › Research › peer review

  127. Published

    Nearly Kähler heterotic compactifications with fermion condensates

    Chatzistavrakidis, A., Lechtenfeld, O. & Popov, A. D., 2012, In: Journal of high energy physics. 2012, 4, 114.

    Research output: Contribution to journal › Article › Research › peer review

  128. 2011

  129. Published

    New super-Calogero models and OSp(4ǀ2) superconformal mechanics

    Fedoruk, S. A., Ivanov, E. A. & Lechtenfeld, O., Jun 2011, In: Physics of atomic nuclei. 74, 6, p. 870-875 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  130. Published

    Chern-Simons flows on Aloff-Wallach spaces and spin(7) instantons

    Haupt, A. S., Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 27 May 2011, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 83, 10, 105028.

    Research output: Contribution to journal › Article › Research › peer review

  131. E-pub ahead of print

    An N=8 superconformal particle in the half-plane

    Lechtenfeld, O. & Toppan, F., 20 May 2011, (E-pub ahead of print).

    Research output: Working paper/Preprint › Preprint

  132. Published

    Invariants of the spherical sector in conformal mechanics

    Hakobyan, T., Lechtenfeld, O., Nersessian, A. & Saghatelian, A., 4 Feb 2011, In: Journal of Physics A: Mathematical and Theoretical. 44, 5, 055205.

    Research output: Contribution to journal › Article › Research › peer review

  133. Published

    Is soft breaking of BRST symmetry consistent?

    Lavrov, P., Lechtenfeld, O. & Reshetnyak, A., 2011, In: Journal of high energy physics. 2011, 10, 043.

    Research output: Contribution to journal › Article › Research › peer review

  134. Published

    Many-particle mechanics with D(2, 1;α) superconformal symmetry

    Krivonos, S. & Lechtenfeld, O., 2011, In: Journal of high energy physics. 2011, 2, 42.

    Research output: Contribution to journal › Article › Research › peer review

  135. Published

    N=4 multi-particle mechanics, WDVV equation and roots

    Lechtenfeld, O., Schwerdtfeger, K. & Thürigen, J., 2011, In: Symmetry, Integrability and Geometry: Methods and Applications (SIGMA). 7, 023.

    Research output: Contribution to journal › Article › Research › peer review

  136. Published

    Noncommutative deformation of the Ward metric

    Goffeng, M. & Lechtenfeld, O., 2011, In: Proceedings of Science.

    Research output: Contribution to journal › Conference article › Research › peer review

  137. Published

    Yang-Mills instantons on cones and sine-cones over nearly Kähler manifolds

    Gemmer, K. P., Lechtenfeld, O., Nölle, C. & Popov, A. D., 2011, In: Journal of high energy physics. 2011, 9, 103.

    Research output: Contribution to journal › Article › Research › peer review

  138. 2010

  139. Published

    Action-angle variables for dihedral systems on the circle

    Lechtenfeld, O., Nersessian, A. & Yeghikyan, V., 18 Oct 2010, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 374, 46, p. 4647-4652 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  140. Published

    N=4 supersymmetry and the belavin-polyakov-shvarts-tyupkin instanton

    Krivonos, S., Lechtenfeld, O. & Sutulin, A., 16 Apr 2010, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 81, 8, 085021.

    Research output: Contribution to journal › Article › Research › peer review

  141. Published

    N = 4 mechanics, WDVV equations and polytopes

    Lechtenfeld, O., 1 Feb 2010, In: Physics of atomic nuclei. 73, 2, p. 375-383 9 p.

    Research output: Contribution to journal › Article › Research › peer review

  142. Published

    Hidden symmetries of integrable conformal mechanical systems

    Hakobyan, T., Krivonos, S., Lechtenfeld, O. & Nersessian, A., 25 Jan 2010, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 374, 6, p. 801-806 6 p.

    Research output: Contribution to journal › Article › Research › peer review

  143. Published

    A new class of solutions to the WDVV equation

    Lechtenfeld, O. & Polovnikov, K., 11 Jan 2010, In: Physics Letters, Section A: General, Atomic and Solid State Physics. 374, 4, p. 504-506 3 p.

    Research output: Contribution to journal › Article › Research › peer review

  144. Published

    Heterotic compactifications on nearly Kähler manifolds

    Lechtenfeld, O., Nölle, C. & Popov, A. D., 2010, In: Journal of high energy physics. 2010, 9, 74.

    Research output: Contribution to journal › Article › Research › peer review

  145. Published

    New D(2, 1;α) mechanics with spin variables

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 2010, In: Journal of high energy physics. 2010, 4, 129.

    Research output: Contribution to journal › Article › Research › peer review

  146. Published

    Noncommutative baby Skyrmions

    Ioannidou, T. & Lechtenfeld, O., 2010, In: Proceedings of Science.

    Research output: Contribution to journal › Conference article › Research › peer review

  147. Published

    On the non-commutative CP1 model

    Lechtenfeld, O. & MacEda, M., 2010, Gravitational Physics: Testing Gravity from Submillimeter to Cosmic Scale - Proceedings of the VIII Mexican School on Gravitation and Mathematical Physics. p. 208-212 5 p. (AIP Conference Proceedings; vol. 1256).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research

  148. Published

    The Kähler potential of the non-commutative C P1 model

    Lechtenfeld, O. & MacEda, M., 2010, Recent Developments in Gravitation and BEC's Phenomenology - IV Mexican Meeting on Mathematical and Experimental Physics: Symposium on Gravitation BEC's Phenomenology. p. 187-195 9 p. (AIP Conference Proceedings; vol. 1318).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research

  149. Published

    The noncommutative ward metric

    Lechtenfeld, O. & Maceda, M., 2010, In: Symmetry, Integrability and Geometry: Methods and Applications (SIGMA). 6, 045.

    Research output: Contribution to journal › Review article › Research › peer review

  150. Published

    Yang-Mills Flows on Nearly Kähler Manifolds and G2-Instantons

    Harland, D., Ivanova, T. A., Lechtenfeld, O. & Popov, A. D., 2010, In: Communications in Mathematical Physics. 300, 1, p. 185-204 20 p.

    Research output: Contribution to journal › Article › Research › peer review

  151. Published

    Yang-Mills instantons and dyons on homogeneous G2-manifolds

    Bauer, I., Ivanova, T. A., Lechtenfeld, O. & Lubbe, F., 2010, In: Journal of high energy physics. 2010, 10, 44.

    Research output: Contribution to journal › Article › Research › peer review

  152. 2009

  153. Published

    Instantons and Yang-Mills flows on coset spaces

    Ivanova, T. A., Lechtenfeld, O., Popov, A. D. & Rahn, T., Oct 2009, In: Letters in mathematical physics. 89, 3, p. 231-247 17 p.

    Research output: Contribution to journal › Article › Research › peer review

  154. Published

    Harmonic N=2 mechanics

    Galajinsky, A. & Lechtenfeld, O., 10 Sept 2009, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 80, 6, 065012.

    Research output: Contribution to journal › Article › Research › peer review

  155. Published

    N = 4 superconformal n-particle mechanics via superspace

    Krivonos, S., Lechtenfeld, O. & Polovnikov, K., 21 Aug 2009, In: Nuclear Physics B. 817, 3, p. 265-283 19 p.

    Research output: Contribution to journal › Article › Research › peer review

  156. Published

    SU(2) reduction in N=4 supersymmetric mechanics

    Krivonos, S. & Lechtenfeld, O., 20 Aug 2009, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 80, 4, 045019.

    Research output: Contribution to journal › Article › Research › peer review

  157. Published

    Noncommutative baby Skyrmions

    Ioannidou, T. & Lechtenfeld, O., 3 Aug 2009, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 678, 5, p. 508-511 4 p.

    Research output: Contribution to journal › Article › Research › peer review

  158. Published

    Supersymmetric Calogero models by gauging

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 1 May 2009, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 79, 10, 105015.

    Research output: Contribution to journal › Article › Research › peer review

  159. Published

    ABJM models in N= 3 harmonic superspace

    Buchbinder, I. L., Ivanov, E. A., Lechtenfeld, O., Pletnev, N. G., Samsonov, I. B. & Zupnik, B. M., 2009, In: Journal of high energy physics. 2009, 3, 096.

    Research output: Contribution to journal › Article › Research › peer review

  160. Published

    N=4 mechanics, WDVV equations and roots

    Galajinsky, A., Lechtenfeld, O. & Polovnikov, K., 2009, In: Journal of high energy physics. 2009, 3, 113.

    Research output: Contribution to journal › Article › Research › peer review

  161. Published

    On the N=2 supersymmetric Camassa-Holm and Hunter-Saxton equations

    Lenells, J. & Lechtenfeld, O., 2009, In: Journal of mathematical physics. 50, 1, 012704.

    Research output: Contribution to journal › Article › Research › peer review

  162. Published

    OSp(4|2) superconformal mechanics

    Fedoruk, S., Ivanov, E. & Lechtenfeld, O., 2009, In: Journal of high energy physics. 2009, 8, 081.

    Research output: Contribution to journal › Article › Research › peer review

  163. Published

    Quantum N = 3, D = 3 Chern-Simons matter theories in harmonic superspace

    Buchbinder, I. L., Ivanov, E. A., Lechtenfeld, O., Pletnev, N. G., Samsonov, I. B. & Zupnik, B. M., 2009, In: Journal of high energy physics. 2009, 10, 075.

    Research output: Contribution to journal › Article › Research › peer review

  164. Published

    The noncommutative sine-Gordon breather

    Fischer, A. & Lechtenfeld, O., 2009, In: Journal of mathematical physics. 50, 9, 095201.

    Research output: Contribution to journal › Article › Research › peer review

  165. 2008

  166. Published

    Yang-Mills instantons and dyons on group manifolds

    Ivanova, T. A. & Lechtenfeld, O., 4 Dec 2008, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 670, 1, p. 91-94 4 p.

    Research output: Contribution to journal › Article › Research › peer review

  167. Published

    N = 4 superparticle and super-Yang-Mills theory in USp (4) harmonic superspace

    Buchbinder, I. L., Lechtenfeld, O. & Samsonov, I. B., 11 Oct 2008, In: Nuclear Physics B. 802, 1-2, p. 208-246 39 p.

    Research output: Contribution to journal › Article › Research › peer review

  168. Published

    Gauge theory in deformed N = (1, 1) superspace

    Buchbinder, I. L., Ivanov, E. A., Lechtenfeld, O., Samsonov, I. B. & Zupnik, B. M., Sept 2008, In: Physics of particles and nuclei. 39, 5, p. 759-797 39 p.

    Research output: Contribution to journal › Article › Research › peer review

  169. Published

    SU(3)-equivariant quiver gauge theories and nonabelian vortices

    Lechtenfeld, O., Popov, A. D. & Szabo, R. J., 1 Aug 2008, In: Journal of high energy physics. 2008, 8, 093.

    Research output: Contribution to journal › Article › Research › peer review

  170. Published

    N = 2 Supersymmetric unconstrained matrix GNLS hierarchies are consistent

    Delduc, F., Lechtenfeld, O. & Sorin, A. S., Jun 2008, In: Letters in mathematical physics. 84, 2-3, p. 109-122 14 p.

    Research output: Contribution to journal › Article › Research › peer review

  171. Published

    Non-anticommutative solitons

    Ketov, S. V. & Lechtenfeld, O., 29 May 2008, In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 663, 4, p. 353-359 7 p.

    Research output: Contribution to journal › Article › Research › peer review

  172. External

    Superfield formulation of nonlinear N=4 supermultiplets

    Bellucci, S., Krivonos, S., Lechtenfeld, O. & Shcherbakov, A., 22 Feb 2008, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 77, 4, 045026.

    Research output: Contribution to journal › Article › Research › peer review

  173. Published

    Hierarchy of N = 8 mechanics models

    Ivanov, E., Lechtenfeld, O. & Sutulin, A., 21 Feb 2008, In: Nuclear Physics B. 790, 3, p. 493-523 31 p.

    Research output: Contribution to journal › Article › Research › peer review

  174. Published

    Supersymmetric noncommutative solitons

    Lechtenfeld, O., 1 Feb 2008, In: Journal of Physics: Conference Series. 103, 1, 012016.

    Research output: Contribution to journal › Article › Research › peer review

  175. Published

    Construction of noncommutative instantons in 4k dimensions

    Brödel, J., Ivanova, T. A. & Lechtenfeld, O., 30 Jan 2008, In: Modern Physics Letters A. 23, 3, p. 179-189 11 p.

    Research output: Contribution to journal › Article › Research › peer review

  176. Published

    Noncommutative solitons

    Lechtenfeld, O., 2008, Recent Developments in Gravitation and Cosmology - 3rd Mexican Meeting on Mathematical and Experimental Physics. p. 37-51 15 p. (AIP Conference Proceedings; vol. 977).

    Research output: Chapter in book/report/conference proceeding › Conference contribution › Research

  177. Published

    WDVV solutions from orthocentric polytopes and Veselov systems

    Lechtenfeld, O., 2008, Problems of Modern Theoretical Physics. p. 256-265

    Research output: Chapter in book/report/conference proceeding › Contribution to book/anthology › Research

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