On Quasi-Particles at Finite Temperature
On Quasi-Particles at Finite Temperature
To investigate validity of non-scattering of quasi-particles ( S = 1) at finite temperature, which Narnhofer et al. claimed, we assume asymptotic completeness at zero temperature and consider whether out-going particles are well-defined or not at finite temperature in Fock space of in-coming particles. It is found in nonlinear Schrödinger …