Geodesic
Holographic control of information and dynamical topology change for
Teoretičeskaâ i matematičeskaâ fizika, Tome 193 (2017) no. 3, pp. 493-504

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We analyze how the compositeness of a system affects the characteristic time of equilibration. We study the dynamics of open composite quantum systems strongly coupled to the environment after a quantum perturbation accompanied by nonequilibrium heating. We use a holographic description of the evolution of entanglement entropy. The nonsmooth character of the evolution with holographic entanglement is a general feature of composite systems, which demonstrate a dynamical change of topology in the bulk space and a jumplike velocity change of entanglement entropy propagation. Moreover, the number of jumps depends on the system configuration and especially on the number of composite parts. The evolution of the mutual information of two composite systems inherits these jumps. We present a detailed study of the mutual information for two subsystems with one of them being bipartite. We find five qualitatively different types of behavior of the mutual information dynamics and indicate the corresponding regions of the system parameters.
Keywords: holographic entanglement entropy, mutual information, AdS/CFT, Vaidya. 
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     title = {Holographic control of information and dynamical topology change for},
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I. Ya. Aref'eva; I. V. Volovich; O. V. Inozemcev. Holographic control of information and dynamical topology change for. Teoretičeskaâ i matematičeskaâ fizika, Tome 193 (2017) no. 3, pp. 493-504. http://geodesic.mathdoc.fr/item/TMF_2017_193_3_a8/