Detection and implications of a time-reversal breaking state in underdoped cuprates

被引:168
作者
Simon, ME [1 ]
Varma, CM [1 ]
机构
[1] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
关键词
D O I
10.1103/PhysRevLett.89.247003
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present general symmetry considerations on how a time-reversal breaking state may be detected by angle-resolved photoemission using circularly polarized photons as has been proposed earlier. Results of recent experiments utilizing the proposal in underdoped cuprates are analyzed and found to be consistent in their symmetry and magnitude with a theory of the copper oxides. These experiments if correct, together with evidence of a quantum critical point and marginal Fermi-liquid properties near optimum doping, suggest that the essentials of a valid microscopic theory of the phenomena in the cuprates may have been found.
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页数:4
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