Entanglement entropy as a probe of the proximity effect in holographic superconductors
Entanglement entropy as a probe of the proximity effect in holographic superconductors
复制标题
纠缠熵作为全息超导体邻近效应的探针
DOI:
10.1007/jhep05(2014)130
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发表时间:
2014-01
期刊:
影响因子:
--
通讯作者:
Wang Bin
中科院分区:
文献类型:
--
作者:
Kuang Xiao-Mei;Papantonopoulos Eleftherios;Wang Bin
A bstractWe study the entanglement entropy as a probe of the proximity effect of a superconducting system by using the gauge/gravity duality in a fully back-reacted gravity system. While the entanglement entropy in the superconducting phase is less than the entanglement entropy in the normal phase, we find that near the contact interface of the superconducting to normal phase the entanglement entropy has a different behavior due to the leakage of Cooper pairs to the normal phase. We verify this behavior by calculating the conductivity near the boundary interface.
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