Thin-shell traversable wormhole crafted from a regular black hole with asymptotically Minkowski core

被引：34

作者：

Berry, Thomas ^{[1
]}

Lobo, Francisco S. N. ^{[2
]}

Simpson, Alex ^{[1
]}

Visser, Matt ^{[1
]}

机构：

[1] Victoria Univ Wellington, Sch Math & Stat, POB 600, Wellington 6140, New Zealand

[2] Univ Lisbon, Inst Astrofis & Ciencias Espaco, Fac Ciencias, Edificio C8, P-1749016 Lisbon, Portugal

来源：

PHYSICAL REVIEW D | 2020年 / 102卷 / 06期

关键词：

ENERGY CONDITIONS; LINEARIZED STABILITY; GRAVASTARS; EPOCH; TIME;

D O I：

10.1103/PhysRevD.102.064054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recently, a novel model for a regular black hole was advocated which possesses an asymptotically Minkowski core implemented via an exponential suppression (in the core region) of the Misner-Sharp quasilocal mass. Using this regular black hole as a template, we construct a spherically symmetric thin-shell traversable wormhole using the "cut-and-paste" technique, thereby constructing yet another black hole mimicker. The surface stress energy at the wormhole throat is calculated, and the stability of the wormhole is analyzed. An important result is that (as compared to their Schwarzschild thin-shell counterparts) increasing the exponential suppression of the Misner-Sharp quasilocal mass by increasing the suppression parameter a also considerably increases the stability regions for these thin-shell wormholes, and furthermore minimizes the amount of energy condition violating exotic matter required to keep the wormhole throat open.

引用

页数：14

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