A set of 2N commuting conserved quantities of the N-particle Davey-Stewartson II system are given. The conserved quantities are also expressed in terms of field operators, thus the infinitely many conservation laws of the system are obtained.
机构:
Sichuan Normal Univ, Dept Math, Chengdu 610066, Sichuan, Peoples R China
Georgia Inst Technol, Sch Math, Atlanta, GA 30332 USASichuan Normal Univ, Dept Math, Chengdu 610066, Sichuan, Peoples R China