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  Entanglement and chaos in warped conformal field theories

Apolo, L., He, S., Song, W., Xu, J., & Zheng, J. (2019). Entanglement and chaos in warped conformal field theories. Journal of high energy physics: JHEP, 2019(04): 009. doi:10.1007/JHEP04(2019)009.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-DC6A-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-67E1-B
Genre: Journal Article

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 Creators:
Apolo, Luis, Author
He, Song1, Author              
Song, Wei, Author
Xu, Jianfei, Author
Zheng, Junjie, Author
Affiliations:
1Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_102878              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: Various aspects of warped conformal field theories (WCFTs) are studied including entanglement entropy on excited states, the Renyi entropy after a local quench, and out-of-time-order four-point functions. Assuming a large central charge and dominance of the vacuum block in the conformal block expansion, (i) we calculate the single-interval entanglement entropy on an excited state, matching previous finite temperature results by changing the ensemble; and (ii) we show that WCFTs are maximally chaotic, a result that is compatible with the existence of black holes in the holographic duals. Finally, we relax the aforementioned assumptions and study the time evolution of the Renyi entropy after a local quench. We find that the change in the Renyi entropy is topological, vanishing at early and late times, and nonvanishing in between only for charged states in spectrally-flowed WCFTs.

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 Dates: 2018-12-262019
 Publication Status: Published in print
 Pages: 31 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1812.10456
URI: http://arxiv.org/abs/1812.10456
DOI: 10.1007/JHEP04(2019)009
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2019 (04) Sequence Number: 009 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: https://pure.mpg.de/cone/journals/resource/111021927548002