Phase fluctuations and spectral properties of underdoped cuprates

被引：184

作者：

Franz, M ^{[1
]}

Millis, AJ ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.58.14572

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We consider the effect of classical phase fluctuations on the quasiparticle spectra of underdoped high-T-c cuprate superconductors in the pseudogap regime above T-c. We show that photoemission and tunneling spectroscopy data are well accounted for by a simple model in which mean-field d-wave quasiparticles are semiclassically coupled to supercurrents induced by fluctuating unbound vortex-antivortex pairs. We argue that the data imply that transverse phase fluctuations are important at temperatures above T-c, while longitudinal fluctuations are unimportant at all temperatures. [S0163-1829(98)05445-9].

引用

页码：14572 / 14580

页数：9

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