Butterfly effect and holographic mutual information under external field and spatial noncommutativity

Wung Hong Huang, Yi Hsien Du

研究成果: Article同行評審

7 引文 斯高帕斯(Scopus)

摘要

We apply the transformation of mixing azimuthal and internal coordinate or mixing time and internal coordinate to a stack of N black M-branes to find the Melvin spacetime of a stack of N black D-branes with magnetic or electric flux in string theory, after the Kaluza-Klein reduction. We slightly extend previous formulas to investigate the external magnetic and electric effects on the butterfly effect and holographic mutual information. It shows that the Melvin fields do not modify the scrambling time and will enhance the mutual information. In addition, we also T-dualize and twist a stack of N black D-branes to find a Melvin Universe supported by the flux of the NSNS b-field, which describes a non-comutative spacetime. It also shows that the spatial noncommutativity does not modify the scrambling time and will enhance the mutual information. We also study the corrected mutual information in the backreaction geometry due to the shock wave in our three model spacetimes.

原文English
文章編號32
期刊Journal of High Energy Physics
2017
發行號2
DOIs
出版狀態Published - 2017 二月 1

All Science Journal Classification (ASJC) codes

  • 核能與高能物理

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