机构:
Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USAUniv N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA
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.