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Dai, X; Su, ZB; Dai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Fermi surface evolution, pseudogap, and staggered gauge field fluctuations in underdoped cuprates
Source PublicationPHYSICAL REVIEW LETTERS
KeywordT-j-model Normal-state Electronic-structure bi2sr2cacu2o8+delta Superconductivity Temperature Gap
AbstractIn the context of the t-J model, we show that besides the long wave length gauge field fluctuation, an additional low energy fluctuation, i.e.? the staggered gauge field fluctuation, Flays a crucial role in the underdoped regime. Including the staggered gauge field fluctuation, we calculate the spectral function. The line shape near ( pi, 0) is very broad in the underdoped case and is quite sharp in the overdoped case. The quasiparticle peaks near (0.5 pi, 0.5 pi) are always very sharp in both cases. We also calculate the Fermi surface (FS) crossover from a small four-segment-like FS to a large continuous FS. The pseudogap extracted from the photoemission data can be also interpreted by our calculation.
1998
ISSN0031-9007
Volume81Issue:10Pages:2136-2139
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12269
Collection理论物理所科研产出_SCI论文
Corresponding AuthorDai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Dai, X,Su, ZB,Dai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.. Fermi surface evolution, pseudogap, and staggered gauge field fluctuations in underdoped cuprates[J]. PHYSICAL REVIEW LETTERS,1998,81(10):2136-2139.
APA Dai, X,Su, ZB,&Dai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(1998).Fermi surface evolution, pseudogap, and staggered gauge field fluctuations in underdoped cuprates.PHYSICAL REVIEW LETTERS,81(10),2136-2139.
MLA Dai, X,et al."Fermi surface evolution, pseudogap, and staggered gauge field fluctuations in underdoped cuprates".PHYSICAL REVIEW LETTERS 81.10(1998):2136-2139.
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