RETRACTED ARTICLE: Cooperative Time-Reversal Symmetry Breaking Induced by a Magnetic Field in a Quasi-2D d-Wave Superconductor

被引：2
作者：
S. Char fi-Kaddour
A. Ben Ali
M. Héritier
R. Bennaceur
机构：
[1] Laboratoire de Physique de la Matiè;re Condensée,Laboratoire de Physique des Solides, associé au CNRS, Bâtiment 510
[2] Département de Physique,undefined
[3] Faculté des Sciences de Tunis,undefined
[4] Université Paris-Sud,undefined
来源：
Journal of Superconductivity and Novel Magnetism | 2001年 / 14卷 / 2期
关键词：
d-wave superconductors; field-induced phase; time-reversal symmetry;
D O I：
10.1023/A:1007840808650
中图分类号：
学科分类号：
摘要：
A model of quasi-two-dimensional d-wave superconductor, with strong nesting properties of the Fermi surface is considered. The orbital effect of a moderate magnetic field applied perpendicularly to the conducting planes is studied in the mean field approximation. It is shown that the field can induce a time-reversal symmetry-breaking spin density wave order coexisting with the superconducting order and can open a gap over the whole Fermi surface. The anomalies recently observed in the heat conductivity, penetration depth, and zero-bias conduction in cuprates might be ascribed to this effect.
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页码：317 / 324
页数：7
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