THERMOPOWER OF COMPOSITE FERMIONS

被引：29

作者：

BAYOT, V ^{[1
]}

GRIVEI, E ^{[1
]}

MANOHARAN, HC ^{[1
]}

YING, X ^{[1
]}

SHAYEGAN, M ^{[1
]}

机构：

[1] PRINCETON UNIV, DEPT ELECT ENGN, PRINCETON, NJ 08544 USA

来源：

PHYSICAL REVIEW B | 1995年 / 52卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.52.R8621

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Measured diffusion thermopower of a low-disorder two-dimensional hole system in the extreme quantum limit is used to probe the thermal properties of the recently proposed particle-flux composite fermions (CF's). The data are consistent with the CF's exhibiting the integral quantum Hall effect away from filling factor nu=1/2. The magnitudes of the thermopower maxima between the fractional quantum Hall states yield an estimate for the CF Landau-level broadening Gamma(CF) which agrees well with Gamma(CF) deduced from the analysis of the excitation energy gaps for the fractional liquid states.

引用

页码：R8621 / R8624

页数：4

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