THE SPECTRUM OF 4-POINT HUBBARD-MODEL WITH HOLES

Authors
SONG Z YANG ZQ HE GZ
Citation
Z. Song et al., THE SPECTRUM OF 4-POINT HUBBARD-MODEL WITH HOLES, Communications in Theoretical Physics, 18(4), 1992, pp. 399-402
Citations number
8
Categorie Soggetti
Physics
Journal title
Communications in Theoretical Physics → ACNP
ISSN journal
02536102
Volume
18
Issue
4
Year of publication
1992
Pages
399 - 402
Database
ISI
SICI code
0253-6102(1992)18:4<399:TSO4HW>2.0.ZU;2-Z
Abstract
The spectra of four-point Hubbard model with one and two holes are giv en. The analytic results are compared with those of t - J and t - t'- J models. For one-hole case there exists a phase transition in the gro undstate. The transition point is at t/U = 0.054.