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

David D. Blanco; Horacio Casini; Ra\'ul E. Arias

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

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arxiv 1409.3269 v1 pith:CQPIGMQF submitted 2014-09-10 hep-th cond-mat.stat-mech

Raúl E. Arias , David D. Blanco , Horacio Casini This is my paper

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keywords entanglemententropycylindereffectmagneticaffectedaharonovaharonov-bohm

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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.

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