2 papers
cond-mat1996
Phase separation in the Hubbard Model
Chi Au, Bao-Heng Zhao, H. T. Nieh
Making use of symmetry properties and known exact results for the Hubbard Model on bipartite lattice, we show that (1) there is no phase separation for repulsive coupling at low do…
cond-mat1994
Bethe Ansatz and Quantum Davey-Stewartson 1 System with Multicomponent in Two Dimensions
Yi Cheng, Mu-Lin Yan, Bao-Heng Zhao
The quantum 2-component DS1 system was reduced to two 1D many-body problems with function interactions, which were solved by Bethe ansatz. Using the ansatz in ref.[1] and intro…