Thermodynamics of traversable wormholes in f(R, T) gravity

被引:1
|
作者
Rehman, Mudassar [1 ]
Saifullah, Khalid [1 ]
机构
[1] Quaid I Azam Univ, Dept Math, Islamabad, Pakistan
关键词
Wormholes; trapping horizon; thermodynamics; UNIFIED 1ST LAW; ENERGY; SPACETIME; HORIZONS; SYSTEM;
D O I
10.1142/S0219887821501759
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In this paper, we discuss thermodynamics for spherically symmetric and static traversable wormholes which include Morris-Thorne wormholes and charged wormholes in the background of f(R, T) gravity. The local coordinates have been used to find trapping horizons of these objects and generalized surface gravity has been worked out on the trapping horizons. The expression for the unified first law has also been derived from the gradient of Misner-Sharp energy with the help of gravitational field equations and from this law the first law of wormhole dynamics has been obtained. We have done this analysis for the simplest case of f(R, T) gravity where f(R, T) = R + 2 lambda T-1, R and T being the traces of the Ricci and stress-energy tensors. Also, we have extended these thermodynamic results to non-minimal curvature-matter coupling.
引用
收藏
页数:21
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