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arxiv: cond-mat/9805401 · v2 · submitted 1998-05-29 · ❄️ cond-mat.supr-con · cond-mat.str-el

Phase Fluctuations and Spectral Properties of Underdoped Cuprates

M. Franz , A. J. Millis This is my paper
classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords fluctuationsphaseabovedatatemperaturesunderdopedaccountedargue
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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 semiclasically 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.

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Cited by 2 Pith papers

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