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Eliashberg analysis of Bi2Sr2CaCu2O8+delta intrinsic tunneling spectra
Sui, XH; Tang, H; Zhao, SP; Su, ZB; Sui, XH (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
2015
发表期刊PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
卷号511期号:0页码:15-19
文章类型Article
摘要Tunneling spectra of Bi2Sr2CaCu2O8+delta intrinsic Josephson junctions with different doping are analyzed and reproduced using a d-wave Eliashberg formalism in a wide temperature range below T-c from which the pairing glue spectral function alpha F-2(Omega) composed of a low-energy resonance peak and a high-energy broad spectrum is obtained. As temperature increases toward T-c, the resonance peak shows continuous decrease both in energy and in height while the broad spectrum slightly increases in height. The calculated coupling constant demonstrates an important role for pairing by the broad spectrum that originates from spin fluctuations. The gap function extracted from the analysis bears a close resemblance to the recent Hubbard and t-J model simulations. We discuss the limitations of the d-wave Eliashberg approach used in our analysis. (C) 2015 Elsevier B.V. All rights reserved.
关键词bi2sr2cacu2o8+delta Intrinsic Tunneling Spectra Eliashberg Analysis Spin Fluctuation
学科领域Physics
资助者Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; National Natural Science Foundation of China [11121403, 91321208] ; National Natural Science Foundation of China [11121403, 91321208] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; National Natural Science Foundation of China [11121403, 91321208] ; National Natural Science Foundation of China [11121403, 91321208]
DOIhttp://dx.doi.org/10.1016/j.physc.2015.02.005
关键词[WOS]SUPERCONDUCTORS ; ENERGY ; EXCITATIONS ; SCATTERING
收录类别SCI
语种英语
资助者Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; National Natural Science Foundation of China [11121403, 91321208] ; National Natural Science Foundation of China [11121403, 91321208] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; National Natural Science Foundation of China [11121403, 91321208] ; National Natural Science Foundation of China [11121403, 91321208]
WOS类目Physics, Applied
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21029
专题理论物理所2015年知识产出
通讯作者Sui, XH (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
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Sui, XH,Tang, H,Zhao, SP,et al. Eliashberg analysis of Bi2Sr2CaCu2O8+delta intrinsic tunneling spectra[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,2015,511(0):15-19.
APA Sui, XH,Tang, H,Zhao, SP,Su, ZB,&Sui, XH .(2015).Eliashberg analysis of Bi2Sr2CaCu2O8+delta intrinsic tunneling spectra.PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,511(0),15-19.
MLA Sui, XH,et al."Eliashberg analysis of Bi2Sr2CaCu2O8+delta intrinsic tunneling spectra".PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 511.0(2015):15-19.
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