String theories and Hirota's bilinear difference equation
Journal Article
·
· Phys. Rev. Lett.; (United States)
The ratio of an N-point p-loop string amplitude to the N-point tree amplitude is shown to solve Hirota's bilinear difference equation which is satisfied by all solutions to the Kadomtsev-Petviashvili hierarchy. Evolution of solutions is determined by Koba-Nielsen variables and external momenta. Fay's trisecant formula emerges as a result.
- Research Organization:
- Department of Physics, Tokyo Metropolitan University, Setagaya-Ku, Tokyo 158, Japan
- OSTI ID:
- 6084063
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 59:16; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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