Quantum Hall effect in bilayer systems and the noncommutative plane: A toy model approach

被引:34
作者
Basu, B [1 ]
Ghosh, S [1 ]
机构
[1] Indian Stat Inst, Phys & Appl Math Unit, Kolkata 700108, India
关键词
D O I
10.1016/j.physleta.2005.07.061
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have presented a quantum mechanical toy model for the study of Coulomb interactions in Quantum Hall (QH) system. Inclusion of Coulomb interaction is essential for the study of bilayer QH system and our model can simulate it, in the compound state, in a perturbative framework. We also show that in the noncommutative plane, the Coulomb interaction is modified at a higher order in the noncommutativity parameter theta, and only if theta varies from layer to layer in the QH system. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:133 / 140
页数:8
相关论文
共 14 条
[1]   A Berry phase approach towards newly observed fractional quantum Hall states [J].
Basu, B ;
Bandyopadhyay, P .
PHYSICS LETTERS A, 2005, 337 (1-2) :81-86
[2]   Topological aspects of quantum Hall fluid and Berry phase [J].
Basu, B ;
Bandyopadhyay, P .
INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 1998, 12 (26) :2649-2707
[3]  
COLUMBUS F, 2004, PROGR FIELD THEORY R
[4]   Hall effect in noncommutative coordinates [J].
Dayi, OF ;
Jellal, A .
JOURNAL OF MATHEMATICAL PHYSICS, 2002, 43 (10) :4592-4601
[5]   Noncommutative field theory [J].
Douglas, MR ;
Nekrasov, NA .
REVIEWS OF MODERN PHYSICS, 2001, 73 (04) :977-1029
[6]   Ground-state structure in ν=2 bilayer quantum Hall systems -: art. no. 125318 [J].
Ezawa, ZF ;
Eliashvili, M ;
Tsitsishvili, G .
PHYSICAL REVIEW B, 2005, 71 (12)
[7]  
Ezawa ZF, 2000, QUANTUM HALL EFFECTS, pVII
[8]   Energy crisis or a new soliton in the noncommutative CP(1) model? [J].
Ghosh, S .
NUCLEAR PHYSICS B, 2003, 670 (03) :359-372
[9]   Bosonization in the noncommutative plane [J].
Ghosh, S .
PHYSICS LETTERS B, 2003, 563 (1-2) :112-116