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The two-channel Kondo model as a generalized one-dimensional inverse square long-range Haldane-Shastry spin model
Zhang, GM; Yu, L; Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
2000
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
卷号12期号:12页码:L217-L223
摘要Majorana fermion representations of the algebra associated with spin, charge, and flavour currents have been used to transform the two-channel Kondo Hamiltonian. Using a path integral formulation, we derive a reduced effective action with long-range impurity spin-spin interactions at different imaginary times. In the semiclassical limit, it is equivalent to a one-dimensional Heisenberg spin chain with two-spin, three-spin, etc, long-range interactions, as a generalization of the inverse-square long-range Haldane-Shastry model. In this representation the elementary excitations are 'semions', and the non-Fermi liquid low energy properties of the two-channel Kondo model are recovered.
部门归属Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China; Int Ctr Theoret Phys, I-34100 Trieste, Italy; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Conformal-field-theory Renormalization-group Heisenberg Chain Fixed-points Exchange Systems State
学科领域Physics
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收录类别SCI
WOS记录号WOS:000086497700002
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12997
专题理论物理所1978-2010年知识产出
通讯作者Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.
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GB/T 7714
Zhang, GM,Yu, L,Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China.. The two-channel Kondo model as a generalized one-dimensional inverse square long-range Haldane-Shastry spin model[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2000,12(12):L217-L223.
APA Zhang, GM,Yu, L,&Zhang, GM , Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China..(2000).The two-channel Kondo model as a generalized one-dimensional inverse square long-range Haldane-Shastry spin model.JOURNAL OF PHYSICS-CONDENSED MATTER,12(12),L217-L223.
MLA Zhang, GM,et al."The two-channel Kondo model as a generalized one-dimensional inverse square long-range Haldane-Shastry spin model".JOURNAL OF PHYSICS-CONDENSED MATTER 12.12(2000):L217-L223.
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