Position dependence of the holographic entanglement entropy for an accelerating quark-antiquark pair

Abstract

Through the holographic correspondence, we compute the entanglement entropy of the gluonic field sourced by a quark-antiquark pair undergoing uniform back-to-back acceleration. Previous calculations had obtained this only for the case where the entanglement surface is located midway between the quark and antiquark. Here, we consider the more general case with a relative lateral displacement, and determine the entanglement entropy as a function of the distance between the quark and the entanglement surface. This setup is of interest because it departs from the usual simplifying conditions of staticity and thermality, and because it yields more information about the entanglement pattern in the gluonic field and about the possibility of eventually developing a purely worldsheet interpretation for said entanglement.

27+7 pages, 6 figures. v3: Major corrections. Accepted version in JHEP. The abstract and introduction have been revised; Section 4 has been added; Eq. (5.39) is a new result. Additional references included

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