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Abstract: We present holographic descriptions of thermalization in conformal fieldtheories using probe D-branes in AdS X S space-times. We find that the inducedmetrics on Dp-brane worldvolumes which are rotating in an internal spheredirection have horizons with characteristic Hawking temperatures even if thereis no black hole in the bulk AdS. The AdS-CFT correspondence applied to suchsystems indeed reveals thermal properties such as Brownian motions and ACconductivities in the dual conformal field theories. We also use this frameworkto holographically analyze time-dependent systems undergoing a quantum quench,where parameters in quantum field theories, such as a mass or a couplingconstant, are suddenly changed. We confirm that this leads to thermal behaviorby demonstrating the formation of apparent horizons in the induced metric aftera certain time.



Autor: Sumit R. Das, Tatsuma Nishioka, Tadashi Takayanagi

Fuente: https://arxiv.org/







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