Casimir effect in space-times of rotating wormholes

被引:10
|
作者
Muniz, C. R. [1 ]
Bezerra, V. B. [2 ]
Toledo, J. M. [2 ]
机构
[1] Univ Estadual Ceara, Fac Educ Ciencias & Letras Iguatu, Ave Dario Rabelo S-N, BR-63500000 Iguatu, CE, Brazil
[2] Univ Fed Paraiba, Dept Fis, Cidade Univ S-N, BR-58051970 Joao Pessoa, Paraiba, Brazil
来源
EUROPEAN PHYSICAL JOURNAL C | 2021年 / 81卷 / 03期
关键词
GRAVITATION; ENERGY;
D O I
10.1140/epjc/s10052-021-09000-3
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We investigate the Casimir effect between parallel plates placed along a circular trajectory around the rotating Damour-Solodkhin (D-S) and Teo wormholes. This is made through the calculation of the renormalized quantum vacuum energy density of a massless scalar field obeying the Dirichlet boundary conditions, initially at zero temperature. We use the zero tidal approximation inside the cavity. Then, we compare our results with those ones previously obtained in the literature with respect to the Kerr black hole. We also compare the computed Casimir energy density in a static D-S wormhole spacetime with that one recently found for a static Ellis wormhole. In what follows, we investigate the effect around the rotating Teo wormhole by calculating the Casimir energy density between the plates, and compare it with the same quantities obtained previously. Finally, we investigate the phenomenon at finite temperature, obtaining some Casimir thermodynamic quantities in the rotating D-S wormhole spacetime, comparing them with the ones valid in the Kerr black hole spacetime. With this, the ways as gravito-inertial and frame dragging effects influence the vacuum quantum fluctuations inside the Casimir apparatus allows to distinct among the different types of rotating wormholes and black holes.
引用
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页数:9
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