Stability of Schwarzschild - f(R)-gravity thin-shell wormholes

被引：13
|
作者：
Khaybullina, Alina [1 ]
Tuleganova, Gulira [1 ]
机构：
[1] Bashkir State Pedag Univ, Zeldovich Int Ctr Astrophys, 3A October Revolut St, Ufa 450008, RB, Russia
来源：
MODERN PHYSICS LETTERS A | 2019年 / 34卷 / 01期
关键词：
Thin-shell wormholes; f(R)-gravity; stability; MODIFIED GRAVITY; F(R) THEORIES; EXISTENCE;
D O I：
10.1142/S0217732319500068
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Mazharimousavi and Halilsoy [S. H. Mazharimousavi and M. Halilsoy, Mod. Phys. Lett. A 31, 1650192 (2016)] recently proposed wormhole solutions in f (R)-gravity that satisfy energy conditions but are unstable. We show here that stability could still be achieved for thin-shell wormholes obtained by gluing the wormholes in f(R)-gravity with the exterior Schwarzschild vacuum. Using the new geometrical constraints from thin-shell "mass" and from external "force" developed by Garcia, Lobo and Visser, we demarcate and analyze the stability regions.
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页数：14
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