Norms of Bethe wave functions for the nonlinear Schrödinger model of spin-1/2 particles
Gen-Di Pang, Fu‐Cho Pu, Bao‐Heng Zhao
A formula for scalar products of Bethe wave functions in the nonlinear Schrödinger model of spin- (1)/(2) particles is proposed. It is shown, in addition, that one can replace conjugate states by dual eigenfunctions to calculate correlation functions for integrable systems.
Journal of Mathematical Physics•Oct 1, 1990•6 citations