Evolution of ν=1 bilayer quantum Hall ferromagnet -: art. no. 153310

被引：31
|
作者：
Nomura, K [1 ]
Yoshioka, D [1 ]
机构：
[1] Univ Tokyo, Dept Basic Sci, Tokyo 1538902, Japan
来源：
PHYSICAL REVIEW B | 2002年 / 66卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.66.153310
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The natures of the ground state in a nu(T)=1 bilayer quantum Hall system at a variety of layer spacing are investigated. At small layer separations the system exhibits spontaneous interlayer phase coherence. It is claimed that the Halperin's (1,1,1) state is not relevant in the incompressible regime near the incompressible to compressible transition point in which the Josephson-like effect was observed. The two-particle correlation function shows the deflated correlation hole at this regime. An effective model that can give a good approximation to the ground state is proposed. A connection to the modified composite fermion theory is discussed.
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页码：1 / 4
页数：4
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