ITP OpenIR  > SCI期刊论文
Sui, XH; Tang, H; Zhao, SP; Su, ZB; Sui, XH (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
Eliashberg analysis of Bi2Sr2CaCu2O8+delta intrinsic tunneling spectra
Source PublicationPHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
Language英语
Keywordbi2sr2cacu2o8+delta Intrinsic Tunneling Spectra Eliashberg Analysis Spin Fluctuation
AbstractTunneling 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.
2015
Volume511Issue:0Pages:15-19
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1016/j.physc.2015.02.005
Indexed BySCI
Funding OrganizationMinistry of Science and Technology of China [2011CBA00106, 2014CB921202] ; Ministry of Science and Technology of China [2011CBA00106, 2014CB921202] ; 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] ; National Natural Science Foundation of China [11121403, 91321208] ; National Natural Science Foundation of China [11121403, 91321208]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21029
CollectionSCI期刊论文
Corresponding AuthorSui, XH (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
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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