2 papers
cond-mat1994
Off-diagonal Interactions, Hund's Rules and Pair-binding in Hubbard Molecules
S. L. Sondhi, M. P. Gelfand, H. Q. Lin +1
We have studied the effect of including nearest-neighbor, electron-electron interactions, in particular the off-diagonal (non density-density) terms, on the spectra of truncated te…
cond-mat1994
Pseudoparticle-operator description of an interacting Bose gas
A. H. Castro Neto, H. Q. Lin, H. -Y Chen +1
We write the Hamiltonian of the Bose gas with two-body repulsive -function potential in a pseudoparticle operator basis which diagonalizes the problem via the Bethe ansatz. In t…