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Dimensional reduction of U(1)xSU(2) Chern-Simons bosonization: Application to the t-J model
Marchetti, PA; Su, ZB; Yu, L; Marchetti, PA , IST NAZL FIS NUCL,DIPARTIMENTO FIS G GALILEI,I-35131 PADUA,ITALY.
1996
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号482期号:3页码:731-757
摘要We perform a dimensional reduction of the U(1) x SU(2) Chem-Simons bosonization and we apply it to the t-J model relevant model for high T-c superconductors. This procedure yields a decomposition of the electron field into the product of two ''semionic'' fields, i.e. fields obeying abelian braid statistics with statistics parameter theta = 1/4, one carrying the charge and the other the spin degrees of freedom. A mean-field theory is then shown to reproduce correctly the large-distance behaviour of the correlation functions of the 1D t-J model at t much greater than J. This results shows that to capture the essential physical properties of the model one needs a specific ''semionic'' form of spin-charge separation.
部门归属CHINESE ACAD SCI,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; INT CTR THEORET PHYS,TRIESTE,ITALY
关键词Quantum-field Theory u Hubbard-model Critical Exponents Integral Approach Spin Statistics Superconductivity Anyons Kinks
学科领域Physics
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收录类别SCI
WOS记录号WOS:A1996WB32900011
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12544
专题理论物理所1978-2010年知识产出
通讯作者Marchetti, PA , IST NAZL FIS NUCL,DIPARTIMENTO FIS G GALILEI,I-35131 PADUA,ITALY.
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Marchetti, PA,Su, ZB,Yu, L,et al. Dimensional reduction of U(1)xSU(2) Chern-Simons bosonization: Application to the t-J model[J]. NUCLEAR PHYSICS B,1996,482(3):731-757.
APA Marchetti, PA,Su, ZB,Yu, L,&Marchetti, PA , IST NAZL FIS NUCL,DIPARTIMENTO FIS G GALILEI,I-35131 PADUA,ITALY..(1996).Dimensional reduction of U(1)xSU(2) Chern-Simons bosonization: Application to the t-J model.NUCLEAR PHYSICS B,482(3),731-757.
MLA Marchetti, PA,et al."Dimensional reduction of U(1)xSU(2) Chern-Simons bosonization: Application to the t-J model".NUCLEAR PHYSICS B 482.3(1996):731-757.
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