paper

Exact results for the entanglement entropy and the energy radiated by a quark

arXiv:1312.5682 · doi:10.1007/JHEP05(2014)025

Abstract

We consider a spherical region with a heavy quark in the middle. We compute the extra entanglement entropy due to the presence of a heavy quark both in Super Yang Mills and in the Chern-Simons matter theory (ABJM). This is done by relating the computation to the expectation value of a circular Wilson loop and a stress tensor insertion. We also give an exact expression for the Bremsstrahlung function that determines the energy radiated by a quark in the ABJM theory.

23+12 pages, 8 figures. V2: references added. V3: references added. V4: small comments and references added

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