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Prof. Dr.  Olaf Lechtenfeld

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

  1. 1980

  2. External

    Finite nonabelian subgroups of SU(n) with analytic expressions for the irreducible representations and the Clebsch–Gordan coefficients

    Abresch, U., Bovier, A., Lechtenfeld, O., Lüling, M., Rittenberg, V. & Weymans, G., 1 Jan 1980, In: Journal of mathematical physics. 21, 10, p. 2481

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

  3. 1982

  4. External

    Optimised mean fields for atoms. II. Numerical studies

    Dietz, K., Lechtenfeld, O. & Weymans, G., 1982, In: Journal of Physics B: Atomic and Molecular Physics. 15, 23, p. 4315-4330 16 p., 014.

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

  5. External

    Optimised mean fields for atoms. I. Mean-field methods for the description of N-fermion systems

    Dietz, K., Lechtenfeld, O. & Weymans, G., 1982, In: Journal of Physics B: Atomic and Molecular Physics. 15, 23, p. 4301-4314 14 p., 013.

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

  6. 1984

  7. Published

    CONSTRUCTION OF THE NICOLAI MAPPING IN SUPERSYMMETRIC FIELD THEORIES

    Lechtenfeld, O., 1984

    Research output: Thesis › Doctoral thesis

  8. External

    Konstruktion der Nicolai-Abbildung in supersymmetrischen Feldtheorien

    Lechtenfeld, O., 1984

    Research output: Thesis › Doctoral thesis

  9. External

    On the stochastic structure of globally supersymmetric field theories

    Flume, R. & Lechtenfeld, O., 2 Feb 1984, In: Physics Letters B. 135, 1-3, p. 91-95 5 p.

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

  10. External

    Stochastic variables in N = 1 supersymmetric Yang-Mills theory

    Lechtenfeld, O., 13 Dec 1984, In: Physics Letters B. 149, 1-3, p. 147-151 5 p.

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

  11. 1985

  12. External

    Nicolai maps and stochastic observables from a coupling constant flow

    Dietz, K. & Lechtenfeld, O., 1985, In: Nuclear Physics, Section B. 255, C, p. 149-173 25 p.

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

  13. External

    Ghost-free quantisation of non-abelian gauge theories via the Nicolai transformation of their supersymmetric extensions

    Dietz, K. & Lechtenfeld, O., 23 Sept 1985, In: Nuclear Physics, Section B. 259, 2-3, p. 397-411 15 p.

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

  14. External

    Dirac equations for generalised Yang-Mills systems

    Lechtenfeld, O., Nahm, W. & Tchrakian, D. H., 7 Nov 1985, In: Physics Letters B. 162, 1-3, p. 143-147 5 p.

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

  15. 1986

  16. External

    Stochastic variables in ten dimensions?

    Lechtenfeld, O., 22 Sept 1986, In: Nuclear Physics, Section B. 274, 3-4, p. 633-652 20 p.

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

  17. External

    A four-point amplitude for the o(16)×o(16) heterotic string

    Alan Kostelecký, V., Lechtenfeld, O., Lerche, W., Samuel, S. & Watamura, S., 25 Dec 1986, In: Physics Letters B. 182, 3-4, p. 331-336 6 p.

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

  18. 1987

  19. External

    Conformal techniques, bosonization and tree-level string amplitudes

    Alan Kostelecký, V., Lechtenfeld, O., Lerche, W., Samuel, S. & Watamura, S., 1987, In: Nuclear Physics, Section B. 288, C, p. 173-232 60 p.

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

  20. External

    Lorentzian algebra for the superstring

    Kostelecký, V. A. & Lechtenfeld, O., 1987, In: Physical review letters. 59, 2, p. 169-172 4 p.

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

  21. External

    The six-fermion amplitude in the superstring

    Kostelecky, V. A., Lechtenfeld, O., Samuel, S., Verstegen, D., Watamura, S. & Sahdev, D., 15 Jan 1987, In: Physics Letters B. 183, 3-4, p. 299-303 5 p.

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

  22. 1988

  23. External

    On the vanishing of the genus two superstring vacuum amplitude

    Lechtenfeld, O. & Parkes, A., 25 Feb 1988, In: Physics Letters B. 202, 1, p. 75-80 6 p.

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

  24. External

    Covariant string amplitudes on exotic topologies to one loop

    Alan Kostelecký, V., Lechtenfeld, O. & Samuel, S., 29 Feb 1988, In: Nuclear Physics, Section B. 298, 1, p. 133-177 45 p.

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

  25. External

    Covariant off-shell string amplitudes with auxiliary fields

    Lechtenfeld, O. & Samuel, S., 17 Oct 1988, In: Nuclear Physics, Section B. 308, 2-3, p. 361-378 18 p.

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

  26. External

    Gauge-invariant modification of Witten's open superstring

    Lechtenfeld, O. & Samuel, S., 3 Nov 1988, In: Physics Letters B. 213, 4, p. 431-438 8 p.

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

  27. External

    Three-loop vanishing of the superstring cosmological constant

    Lechtenfeld, O., 7 Nov 1988, In: Nuclear Physics, Section B. 309, 2, p. 361-378 18 p.

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

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