Holographic thermalization in Gauss-Bonnet gravity with de Sitter boundary

Holographic thermalization in Gauss-Bonnet gravity with de Sitter boundary
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具有德西特边界的高斯-邦内重力中的全息热化

DOI:
10.1103/physrevd.91.106010
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发表时间:
2014-12
期刊:
Physical Review D - Particles, Fields, Gravitation and Cosmology
影响因子:
--
通讯作者:
Papantonopoulos Eleftherios
Papantonopoulos Eleftherios
中科院分区:
其他
文献类型:
--
作者:
Zhang Shao-Jun;Wang Bin;Abdalla E.;Papantonopoulos Eleftherios

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我们在重力区引入了高导数高斯-邦尼修正项,并将修正后的块体重力理论与德西特边界上的强耦合量子场理论联系起来。我们通过考察三个非局域观测值、两点函数、威尔逊环和全息纠缠熵来研究全息热化过程。研究了这三个观测值的时间演化,发现随着高斯-邦纳耦合强度的增加,热化过程达到热平衡的饱和时间越来越短,全息纠缠熵占主导地位。
We introduce higher-derivative Gauss-Bonnet correction terms in the gravity sector, and we relate the modified gravity theory in the bulk to the strongly coupled quantum field theory on a de Sitter boundary. We study the process of holographic thermalization by examining three nonlocal observables, the two-point function, the Wilson loop and the holographic entanglement entropy. We study the time evolution of these three observables, and we find that as the strength of the Gauss-Bonnet coupling is increased, the saturation time of the thermalization process to reach thermal equilibrium becomes shorter with the dominant effect given by the holographic entanglement entropy.
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