Phenomenological Z2 lattice gauge theory of the spin-liquid state of the kagome Heisenberg antiferromagnet

被引：18
|
作者：
Wan, Yuan [1 ]
Tchernyshyov, Oleg [1 ]
机构：
[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA
来源：
PHYSICAL REVIEW B | 2013年 / 87卷 / 10期
关键词：
FRUSTRATED MAGNETS; SYSTEMS; MODEL;
D O I：
10.1103/PhysRevB.87.104408
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We construct a phenomenological Z(2) lattice gauge theory to describe the spin-liquid state of the S = 1/2 kagome Heisenberg antiferromagnet in the sector with zero total spin. The model is a natural generalization of the Misguich-Serban-Pasquier Hamiltonian with added interactions that are strongly constrained by lattice symmetries. We are able to reproduce qualitatively many of the characteristic features observed in recent numerical studies. We also make connections to the previous works along similar lines. DOI: 10.1103/PhysRevB.87.104408
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页数：11
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