Calculation and modular properties of multiloop superstring amplitudes
Journal Article
·
· Physics of Atomic Nuclei
Multiloop superstring amplitudes are calculated within an extensively used gauge where the two-dimensional gravitino field carries Grassmann moduli. In general, the amplitudes possess, instead of modular symmetry, symmetry with respect to modular transformation supplemented with appropriate transformations of two-dimensional local supersymmetry. If the number of loops is larger than three, the integrationmeasures are notmodular forms, while the expression for the amplitude contains integrals along the boundary of the fundamental region of the modular group.
- OSTI ID:
- 22126453
- Journal Information:
- Physics of Atomic Nuclei, Journal Name: Physics of Atomic Nuclei Journal Issue: 6 Vol. 76; ISSN 1063-7788; ISSN PANUEO
- Country of Publication:
- United States
- Language:
- English
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