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Prof. Dr.  Olaf Lechtenfeld

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

  1. 1991

  2. External

    Phase diagram and orthogonal polynomials in multiple-well matrix models

    Lechtenfeld, O., Ray, R. & Ray, A., 20 Oct 1991, In: International Journal of Modern Physics A. 06, 25, p. 4491-4515

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

  3. 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

  4. 1990

  5. External

    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

  6. External

    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

  7. External

    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

  8. External

    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

  9. External

    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

  10. 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

  11. 1989

  12. External

    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

  13. External

    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

  14. External

    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

  15. 1988

  16. External

    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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 1987

  23. 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

  24. 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

  25. 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

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