SPECTRUM AND THERMODYNAMICS OF THE ONE-DIMENSIONAL SUPERSYMMETRIC T-J MODEL WITH 1/R(2) EXCHANGE AND HOPPING

被引:40
|
作者
WANG, DF
LIU, JT
COLEMAN, P
机构
[1] UNIV N CAROLINA,INST FIELD PHYS,CHAPEL HILL,NC 27599
[2] RUTGERS STATE UNIV,SERIN LABS,PISCATAWAY,NJ 08854
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 10期
关键词
D O I
10.1103/PhysRevB.46.6639
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We derive the spectrum and thermodynamics of the one-dimensional supersymmetric t-J model with long-range hopping and spin exchange using a set of maximal-spin eigenstates. This spectrum confirms the recent conjecture that the asymptotic Bethe-ansatz spectrum is exact. By empirically determining the spinon degeneracies of each state, we are able to explicitly construct the free energy.
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页码:6639 / 6642
页数:4
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