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Prof. Dr.  Olaf Lechtenfeld

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

  1. 1991
  2. Published

    Chaos in matrix models?

    Lechtenfeld, O., 1991, Quarks, Symmetries and Strings: a Symposium in Honor of Bunji Sakita's 60th Birthday.

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

  3. 1990

  4. Baryon number violation at high temperature in the standard model

    Dine, M., Lechtenfeld, O., Sakita, B., Fischler, W. & Polchinski, J., 1 Oct 1990, In: Nuclear Physics, Section B. 342, 2, p. 381-408 28 p.

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

  5. Factorization and modular invariance of multi-loop superstring amplitudes in the unitary gauge

    Lechtenfeld, O., 9 Jul 1990, In: Nuclear Physics, Section B. 338, 2, p. 403-414 12 p.

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

  6. On covariant multi-loop superstring amplitudes

    Lechtenfeld, O. & Parkes, A., 26 Feb 1990, In: Nuclear Physics, Section B. 332, 1, p. 39-82 44 p.

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

  7. Chaos in matrix models? A Symposium in Honor of Bunji Sakita’s 60th Birthday

    Lechtenfeld, O., 1990, p. 149.

    Research output: Contribution to conference › Paper › Research › peer review

  8. High energy versus high temperature - a Minkowskian point of view of baryon number violation in the Standard Model

    Lechtenfeld, O., 1990, High energy versus high temperature : a Minkowskian point of view of baryon number violation in the Standard Model. World Scientific, p. 139-160

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

  9. Published

    High-energy versus high temperature: Minkowskian point of view of baryon number violation in the standard model

    Lechtenfeld, O., 1990, High-energy versus high temperature: Minkowskian point of view of baryon number violation in the Standard Model.

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

  10. 1989

  11. Superconformal ghost correlations on Riemann surfaces

    Lechtenfeld, O., 30 Nov 1989, In: Physics Letters B. 232, 2, p. 193-198 6 p.

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

  12. On non-renormalization theorems for four-dimensional superstrings

    Lechtenfeld, O. & Lerche, W., 31 Aug 1989, In: Physics Letters B. 227, 3-4, p. 373-380 8 p.

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

  13. On the finiteness of the superstring

    Lechtenfeld, O., 7 Aug 1989, In: Nuclear Physics, Section B. 322, 1, p. 82-106 25 p.

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

  14. 1988

  15. Off-shell conformal methods for the superstring

    Lechtenfeld, O. & Samuel, S., 5 Dec 1988, In: Nuclear Physics, Section B. 310, 2, p. 254-290 37 p.

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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 1987

  22. 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

  23. 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

  24. 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

  25. 1986

  26. 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

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