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Entanglement entropy as a witness of the Aharonov-Bohm effect in QFT

We study the dependence of the entanglement entropy with a magnetic flux, and show that the former quantity witnesses an Aharonov Bohm-like effect. In particular, we consider free charged scalar and Dirac fields living on a two dimensional cylinder and study how the entanglement entropy for a strip-like region on the surface of the cylinder is affected by a magnetic field enclosed by it.

preprint2014arXivOpen access
Raúl E. AriasDavid D. BlancoHoracio Casini
cond-mat.stat-mechhep-th
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Raúl E. AriasDavid D. BlancoHoracio Casini

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