Two-leg t-J ladder:: A spin liquid generated by Gutzwiller projection of magnetic bands -: art. no. 134443

被引：12
|
作者：
Greiter, M [1 ]
机构：
[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.65.134443
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The ground state of the two-leg Heisenberg ladder is identified as a resonating-valence-band-RVB type spin liquid, which is generated by Gutzwiller projection of tight-binding bands with flux pi per plaquet. Explicit trial wave functions for the magnon and hole excitations are formulated in terms of spinons and holons. The spinon-holon bound state is shown to violate P and T. This is interpreted as a manifestation of fractional statistics.
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页码：1 / 4
页数：4
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