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The electron pairing of KxFe2-ySe2
Wang, F; Yang, F; Gao, MA; Lu, ZY; Xiang, T; Lee, DH; Wang, F (reprint author), MIT, Dept Phys, Cambridge, MA 02139 USA.
2011
发表期刊EPL
ISSN0295-5075
卷号93期号:5页码:57003
摘要We studied the pairing instabilities in KxFe2-ySe2 using a two-stage functional renormalization group (FRG) method. Our results suggest the leading and subleading pairing symmetries are nodeless d(x2-y2) and nodal extended s, respectively. In addition, despite having no Fermi surfaces we find the buried hole bands make important contributions to the final effective interaction. From the bandstructure, spin susceptibility and the FRG results we conclude that the low-energy effective interaction in KxFe2-ySe2 is well described by a J(1)-J(2) model with dominant nearest-neighbor antiferromagnetic interaction J(1) (at least as far as the superconducting pairing is concerned). In the end we briefly mention several obvious experiments to test whether the pairing symmetry is indeed d(x2-y2). Copyright (c) EPLA, 2011
部门归属[Wang, Fa] MIT, Dept Phys, Cambridge, MA 02139 USA; [Yang, Fan] Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China; [Gao, Miao; Lu, Zhong-Yi] Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China; [Xiang, Tao] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Xiang, Tao] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Lee, Dung-Hai] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA; [Lee, Dung-Hai] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
关键词Renormalization-group Superconductivity
学科领域Physics
资助者DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China
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收录类别SCI
语种英语
资助者DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China ; DOE [DE-AC02-05CH11231]; NSFC [10704008]; National Natural Science Foundation of China; MOST, China
WOS记录号WOS:000288322900015
引用统计
被引频次:107[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/311006/14400
专题理论物理所SCI论文
通讯作者Wang, F (reprint author), MIT, Dept Phys, Cambridge, MA 02139 USA.
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GB/T 7714
Wang, F,Yang, F,Gao, MA,et al. The electron pairing of KxFe2-ySe2[J]. EPL,2011,93(5):57003.
APA Wang, F.,Yang, F.,Gao, MA.,Lu, ZY.,Xiang, T.,...&Wang, F .(2011).The electron pairing of KxFe2-ySe2.EPL,93(5),57003.
MLA Wang, F,et al."The electron pairing of KxFe2-ySe2".EPL 93.5(2011):57003.
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