ITP OpenIR  > 理论物理所1978-2010年知识产出
Fermi surface evolution, pseudogap, and staggered gauge field fluctuations in underdoped cuprates
Dai, X; Su, ZB; Dai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
1998
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号81期号:10页码:2136-2139
摘要In 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.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词T-j-model Normal-state Electronic-structure bi2sr2cacu2o8+delta Superconductivity Temperature Gap
学科领域Physics
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收录类别SCI
WOS记录号WOS:000075682400038
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12269
专题理论物理所1978-2010年知识产出
通讯作者Dai, X , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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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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