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Title: Thin-shell bubbles and information loss problem in anti de Sitter background
Authors: Sasaki, Misao  kyouindb  KAKEN_id
Yeom, Dong-han
Author's alias: 佐々木, 節
Keywords: Black Holes
Solitons Monopoles and Instantons
AdS-CFT Correspondence
Issue Date: Dec-2014
Publisher: Springer Berlin Heidelberg
Journal title: Journal of High Energy Physics
Volume: 2014
Issue: 12
Thesis number: 155
Abstract: We study the motion of thin-shell bubbles and their tunneling in anti de Sitter (AdS) background. We are interested in the case when the outside of a shell is a Schwarzschild-AdS space (false vacuum) and the inside of it is an AdS space with a lower vacuum energy (true vacuum). If a collapsing true vacuum bubble is created, classically it will form a Schwarzschild-AdS black hole. However, this collapsing bubble can tunnel to a bouncing bubble that moves out to spatial infinity. Then, although the classical causal structure of a collapsing true vacuum bubble has the singularity and the event horizon, quantum mechanically the wavefunction has support for a history without any singularity nor event horizon which is mediated by the non-perturbative, quantum tunneling effect. This may be regarded an explicit example that shows the unitarity of an asymptotic observer in AdS, while a classical observer who only follows the most probable history effectively lose information due to the formation of an event horizon.
Rights: The final publication is available under Open Access at Springer via http://dx.doi.org/10.1007/JHEP12(2014)155.
URI: http://hdl.handle.net/2433/193281
DOI(Published Version): 10.1007/JHEP12(2014)155
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