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arXiv 0910.3967cond-mat.supr-concond-mat.str-el
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二维d波超导体中热位相涨落对单粒子格林函数的影响

Influence of thermal phase fluctuations on the single particle Green function in a 2D d-wave superconductor

M. Khodas, A. M. Tsvelik

摘要:

本文研究了二维超导体在强经典相位涨落下的单粒子格林函数。虽然开发的方法是有效的任何对称性,我们集中在d波超导体。我们得到的格林函数的解析表达式低于转变温度,并制定了一种方法来外推到一个有限的温度以上$T_c$。随着一定的参数限制的解析表达式,我们概述了光谱函数的定性特征。

英文摘要:

We study the single-particle Green function for a two-dimensional superconductor in a regime of strong classical phase fluctuations. Although the developed approach is valid for any symmetry, we concentrate on d-wave superconductors. We obtain analytical expressions for the Green function below the transition temperature and have worked out a way to extrapolate it for a finite temperatures above $T_c$. Along with analytical expressions for a certain limits of parameters we outline the qualitative features of the spectral function.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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