Superconducting gap on the Fermi arcs and condensation energy in La2-xSrxCuO4 single crystals

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	Superconducting gap on the Fermi arcs and condensation energy in La2-xSrxCuO4 single crystals
	Wen, HH
刊名	JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
	2008
卷号	69 期号:12 页码:3236
关键词	ELECTRONIC SPECIFIC-HEAT PARTICLE EXCITATIONS PSEUDOGAP FORMATION SCALES STATE
ISSN号	0022-3697
通讯作者	Wen, HH (reprint author), Chinese Acad Sci, Natl Lab Superconduct, Inst Phys, POB 603, Beijing 100080, Peoples R China.
中文摘要	The low temperature specific heat of La2-xSrxCuO4 single crystals (0.063 <= x <= 0.238) has been measured. From the field induced quasiparticle density of states, we derived the superconducting gap slope near the nodes. Based on the picture of superconducting gapping on the Fermi arcs and the formalism of Bardeen-Copper-Schrieffer theory, we obtained the doping dependence of the superconducting condensation energy and found that it is close to that determined by calculating directly from the entropy difference between the superconducting state and the normal state. Our analysis suggests that the coherent Superconducting state is formed by forming a new gap on the Fermi arcs (or pockets) below T-c. (C) 2008 Elsevier Ltd. All rights reserved.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/53960]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Wen, HH. Superconducting gap on the Fermi arcs and condensation energy in La2-xSrxCuO4 single crystals[J]. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,2008,69(12):3236.
APA	Wen, HH.(2008).Superconducting gap on the Fermi arcs and condensation energy in La2-xSrxCuO4 single crystals.JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS,69(12),3236.
MLA	Wen, HH."Superconducting gap on the Fermi arcs and condensation energy in La2-xSrxCuO4 single crystals".JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS 69.12(2008):3236.