Thermopower as a possible probe of non-Abelian quasiparticle statistics in fractional quantum Hall liquids

被引：53
作者：
Yang, Kun [1 ,3 ]
Halperin, Bertrand I. [2 ]
机构：
[1] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA
[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[3] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA
来源：
PHYSICAL REVIEW B | 2009年 / 79卷 / 11期
关键词：
entropy; quantum Hall effect; quasiparticles; thermoelectric power; QUANTIZING MAGNETIC-FIELD; 2-DIMENSIONAL ELECTRON-GAS; FILLED LANDAU-LEVELS; GAAS-ALXGA1-XAS HETEROSTRUCTURES; THERMOELECTRIC-POWER; INVERSION LAYER; PHONON-DRAG; STATE; COMPUTATION; PHASE;
D O I：
10.1103/PhysRevB.79.115317
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We show in this paper that thermopower is enhanced in non-Abelian quantum Hall liquids under appropriate conditions. This is because thermopower measures entropy per electron in the clean limit, while the degeneracy and entropy associated with non-Abelian quasiparticles enhance entropy when they are present. Thus thermopower can potentially probe non-Abelian nature of the quasiparticles, and measure their quantum dimension.
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页数：5
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