Integrable structures in string field theory

被引：15
|
作者：
Bonora, L
Sorin, AS
机构：
[1] Ist Nazl Fis Nucl, SISSA, ISAS, I-34014 Trieste, Italy
[2] Ist Nazl Fis Nucl, Sez Trieste, I-34014 Trieste, Italy
[3] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Moscow Region, Russia
来源：
PHYSICS LETTERS B | 2003年 / 553卷 / 3-4期
关键词：
D O I：
10.1016/S0370-2693(02)03229-X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We give a simple proof that the Neumann coefficients of surface states in Witten's SIFT satisfy the Hirota equations for dispersionless KP hierarchy. In a similar way we show that the Neumann coefficients for the three string vertex in the same theory obey the Hirota equations of the dispersionless Toda Lattice hierarchy. We conjecture that the full (dispersive) Toda Lattice hierachy and. even more attractively a two-matrix model, may underlie open SIFT. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：317 / 324
页数：8
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