paper

Evolutions of entanglement and complexity after a thermal quench in massive gravity theory

arXiv:1907.08453 · doi:10.1103/PhysRevD.100.066003

Abstract

We study the evolution of the holographic entanglement entropy (HEE) and the holographic complexity (HC) after a thermal quench in dimensional boundary CFTs dual to massive BTZ black holes. The study indicates how the graviton mass , the charge , and also the size of the boundary region determine the evolution of the HEE and HC. We find that for small and , the evolutions of the HEE and the HC is a continuous function. When or is tuned larger, the discontinuity emerges, which could not observed in the neutral AdS backgrounds. We show that, the emergence of this discontinuity is a universal behavior in the charged massive BTZ theory. With the increase of graviton mass, on the other hand, no emergence of the discontinuity behavior for any small and could be observed. We also show that the evolution of the HEE and HC both become stable at later times, and speeds up reaching to the stability during the evolution of the system. Moreover, we show that decreases the final stable value of HEE but raises the stable value of HC. Additionally, contrary to the usual picture in the literature that the evolution of HC has only one peak, for big enough widths, we show that graviton mass could introduce two peaks during the evolution. However, for large enough charges the one peak behavior will be recovered again. We also examine the evolutions of HEE and HC growths at the early stage, which an almost linear behavior has been detected.

arXiv comment24 pages;version accepted for publication in PRD

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