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题名: W-INFINITE SYMMETRIES IN THE HIERARCHICAL QUASI-PARTICLE STATES (LOWEST LANDAU-LEVEL STATES) OF THE FRACTIONAL QUANTUM HALL SYSTEMS
作者: CHEN, YX ;  MA, ZS ;  SU, ZB
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS B
出版日期: 1995
卷号: 9, 期号:2, 页码:195-219
关键词: COOPERATIVE-RING-EXCHANGE ;  SIMONS GAUGE-THEORIES ;  EDGE EXCITATIONS ;  ANYON SUPERCONDUCTIVITY ;  COLLECTIVE EXCITATIONS ;  DIMENSIONAL ALGEBRAS ;  FLUID ;  STATISTICS ;  DEGENERACY ;  CONSTRAINT
学科分类: Physics
通讯作者: CHEN, YX , ZHEJIANG UNIV,INST MODERN PHYS,HANGZHOU 310027,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; ZHONGSHAN UNIV,ADV RES CTR,CANTON 510275,PEOPLES R CHINA
英文摘要: We investigate the W infinite symmetries in the theory of general fractional quantum Hall effects by using the lowest Landau level constraint approach. We find that there does exist a W infinite symmetric algebra for the fractional quantum Hall system with all the quasiparticles being restricted to the lowest Landau level. The corresponding generators can be used to generate the new degenerate wavefunctions of the lowest Landau level states by means of Laughlin and Halperin wavefunctions. Meanwhile, we find there still exists another W infinite symmetric algebra in the system, whose generators are used to generate the degenerate wavefunctions of the lowest Landau level for the anti-quasiparticles. We conclude that the FQH system can effectively be described by quasiparticle features or anti-quasiparticle features. We also show that the local part of the W infinite symmetric algebras is the magnetic translation operator of the general fractional quantum Hall system. We finally construct the operators of the single mode wave density excitations in the system and discuss their operator product relations.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11810
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
CHEN, YX,MA, ZS,SU, ZB. W-INFINITE SYMMETRIES IN THE HIERARCHICAL QUASI-PARTICLE STATES (LOWEST LANDAU-LEVEL STATES) OF THE FRACTIONAL QUANTUM HALL SYSTEMS[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,1995,9(2):195-219.
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文件名: W-INFINITE SYMMETRIES IN THE HIERARCHICAL QUASI-PARTICLE STATES (LOWEST LANDAU-LEVEL STATES) OF THE FRACTIONAL QUANTUM HALL SYSTEMS.PDF
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