High velocity enhances holographic entanglement entropy in charged plasmas, with thermal effects dominating at high speeds and velocity becoming dominant in the ultrarelativistic regime.
Holographic entanglement entropy: near horizon geometry and disconnected regions
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abstract
We study the finite term of the holographic entanglement entropy for the charged black hole in AdS(d+2) and other examples of black holes when the spatial region in the boundary theory is given by one or two parallel strips. For one large strip it scales like the width of the strip. The divergent term of its expansion as the turning point of the minimal surface approaches the horizon is determined by the near horizon geometry. Examples involving a Lifshitz scaling are also considered. For two equal strips in the boundary we study the transition of the mutual information given by the holographic prescription. In the case of the charged black hole, when the width of the strips becomes large this transition provides a characteristic finite distance depending on the temperature.
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Velocity dependence of holographic entanglement entropy in a charged plasma
High velocity enhances holographic entanglement entropy in charged plasmas, with thermal effects dominating at high speeds and velocity becoming dominant in the ultrarelativistic regime.