Composite Dirac fermions in graphene

被引:40
作者
Khveshchenko, D. V. [1 ]
机构
[1] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA
来源
PHYSICAL REVIEW B | 2007年 / 75卷 / 15期
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevB.75.153405
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Generalizing the notion of composite fermions to the case of '' pseudorelativistic '' quantum Hall phenomena in graphene, we discuss a possible emergence of compressible states at the filling factors nu=+/- 1/2,+/- 3/2. This analysis is further extended to the nearby incompressible states viewed as integer quantum Hall effect of composite Dirac fermions, as well as those at nu=0,+/- 1 that occur as a result of (pseudo)spin-singlet pairing between the latter.
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页数:4
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