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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Entanglement entropy of compressible holographic matter: loop corrections from bulk fermions

arXiv
Authors: Brian Swingle, Liza Huijse, Subir Sachdev

Year

2013

Paper ID

33213

Status

Preprint

Abstract Read

~2 min

Abstract Words

109

Citations

N/A

Abstract

Entanglement entropy is a useful probe of compressible quantum matter because it can detect the existence of Fermi surfaces, both of microscopic fermionic degrees of freedom and of "hidden" gauge charged fermions. Much recent attention has focused on holographic efforts to model strongly interacting compressible matter of interest for condensed matter physics. We complete the entanglement analysis initiated in Huijse {\em et al.}, Phys. Rev. B 85, 035121 (2012) (arXiv:1112.0573) and Ogawa {\em et al.}, JHEP 1, 125 (2012) (arXiv:1111.1023) using the recent proposal of Faulkner {\em et al.} (arXiv:1307.2892) to analyze the entanglement entropy of the visible fermions which arises from bulk loop corrections. We find perfect agreement between holographic and field theoretic calculations.

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  • Entanglement entropy is a useful probe of compressible quantum matter because it can detect the existence of Fermi surfaces, both of microscopic fermionic degrees of freedom...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1308.3234 [2] arXiv https://arxiv.org/abs/1308.3234 [3] Publisher https://arxiv.org/abs/1308.3234

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