Quasinormal modes of bumblebee wormhole

被引：45
|
作者：
Oliveira, R. [1 ]
Dantas, D. M. [1 ]
Santos, Victor [1 ]
Almeida, C. A. S. [1 ]
机构：
[1] Univ Fed Ceara, Dept Fis, Campus Pici,Caixa Postal 6030, BR-60455760 Fortaleza, Ceara, Brazil
来源：
CLASSICAL AND QUANTUM GRAVITY | 2019年 / 36卷 / 10期
关键词：
gravitational waves; wormholes; quasi-normal modes; Reege-Wheeler's potential; PERTURBATION;
D O I：
10.1088/1361-6382/ab1873
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, we calculate the quasinormal frequencies from a bumblebee traversable wormhole. The bumblebee wormhole model is based on the bumblebee gravity, which exhibits a spontaneous Lorentz symmetry breaking. Supporting by the Lorentz violation parameter lambda, this model allows for the fulfillment of the flare-out and energy conditions, granted non-exotic matter to the wormhole. We analyze the parameters of the bumblebee wormhole in order to obtain a Regge-Wheeler's equation with a bell-shaped potential. We obtain the quasinormal modes (QNMs) via the WKB approximation method for both scalar and gravitational perturbations. The time domain has decreasing oscillation (damping) profiles for the bumblebee wormhole.
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页数：11
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