Evolution of complexity following a global quench

被引：0
|
作者：
Mudassir Moosa
机构：
[1] University of California,Center for Theoretical Physics and Department of Physics
[2] Lawrence Berkeley National Laboratory,undefined
来源：
Journal of High Energy Physics | / 2018卷
关键词：
AdS-CFT Correspondence; Black Holes;
D O I：
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学科分类号：
摘要：
The rate of complexification of a quantum state is conjectured to be bounded from above by the average energy of the state. A different conjecture relates the complexity of a holographic CFT state to the on-shell gravitational action of a certain bulk region. We use ‘complexity equals action’ conjecture to study the time evolution of the complexity of the CFT state after a global quench. We find that the rate of growth of complexity is not only consistent with the conjectured bound, but it also saturates the bound soon after the system has achieved local equilibrium.
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