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Tunneling from the past horizon

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Title
Tunneling from the past horizon
Author(s)
Subeom Kang; Dong-han Yeom
Publication Date
2018-04
Journal
PHYSICAL REVIEW D, v.97, no.8, pp.086011 -
Publisher
American Physical Society
Abstract
We investigate a tunneling and emission process of a thin-shell from a Schwarzschild black hole, where the shell was initially located beyond the Einstein-Rosen bridge and finally appears at the right side of the Penrose diagram. In order to obtain such a solution, we should assume that the areal radius of the black hole horizon increases after the tunneling. Hence, there is a parameter range such that the tunneling rate is exponentially enhanced, rather than suppressed. We may have two interpretations regarding this. First, such a tunneling process from the past horizon is improbable by physical reasons; second, such a tunneling is possible in principle, but in order to obtain a stable Einstein-Rosen bridge, one needs to restrict the parameter spaces. If such a process is allowed, this can be a nonperturbative contribution to Einstein-Rosen bridges as well as eternal black holes. © 2018 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/4552
DOI
10.1103/PhysRevD.97.086011
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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