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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

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