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Dynamical mass generation of composite Dirac fermions and fractional quantum Hall effects near charge neutrality in graphene
Cai, F; Yu, Y; Wang, ZQ; Cai, F (reprint author), Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA.
2013
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
卷号25期号:30页码:305601
摘要We develop a composite Dirac fermion theory for the fractional quantum Hall effects (QHE) near charge neutrality in graphene. We show that the interactions between the composite Dirac fermions lead to a dynamical mass generation through exciton condensation. The four-fold spin-valley degeneracy is fully lifted due to the mass generation and exchange effects such that the odd-denominator fractional QHE observed in the vicinity of charge neutrality can be understood in terms of the integer QHE of composite Dirac fermions. At a filling factor nu = 1/2, we show that the massive composite Dirac fermion liquid is unstable against chiral p-wave pairing for weak Coulomb interactions and the ground state is a paired non-Abelian quantum Hall state described by the Moore-Read Pfaffian in the long wavelength limit.
部门归属[Cai, Feng; Wang, Ziqiang] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA; [Yu, Yue] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Landau-level Superfluid Breaking Systems States Field
学科领域Physics
资助者DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China
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收录类别SCI
语种英语
资助者DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China ; DOE [DE-FG02-99ER45747]; NNSF of China; 973 program of MOST of China
WOS记录号WOS:000321752800009
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15312
专题理论物理所SCI论文
通讯作者Cai, F (reprint author), Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA.
推荐引用方式
GB/T 7714
Cai, F,Yu, Y,Wang, ZQ,et al. Dynamical mass generation of composite Dirac fermions and fractional quantum Hall effects near charge neutrality in graphene[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2013,25(30):305601.
APA Cai, F,Yu, Y,Wang, ZQ,&Cai, F .(2013).Dynamical mass generation of composite Dirac fermions and fractional quantum Hall effects near charge neutrality in graphene.JOURNAL OF PHYSICS-CONDENSED MATTER,25(30),305601.
MLA Cai, F,et al."Dynamical mass generation of composite Dirac fermions and fractional quantum Hall effects near charge neutrality in graphene".JOURNAL OF PHYSICS-CONDENSED MATTER 25.30(2013):305601.
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