Abstract
In the context of modified $f(R)$ gravity theory, we study time-dependent wormhole spacetimes in the radiation background. In this framework, we attempt to generalize the thermodynamic properties of time-dependent wormholes in $f(R)$ gravity. Finally, at event horizon, the rate of change of total entropy has been discussed.
Highlights
Open AccessWormholes, short cuts between otherwise distant or unconnected regions of the universe, have become a popular research topic since the influential paper of Morris and Thorne [1]
The expression in Equation (20) for the rate of change of total entropy at event horizon shows that the validity of the generalized second law of thermodynamics depends on the right hand side (r.h.s.) of the equation
We have reviewed the time-dependent wormholes in modified f ( R) gravity
Summary
Short cuts between otherwise distant or unconnected regions of the universe, have become a popular research topic since the influential paper of Morris and Thorne [1]. Cai and his collaborators made the major development by showing that the Einstein field equations evaluated at the apparent horizon can be expressed in the form of the first law of thermodynamics in various theories of gravity. This connection between gravity and thermodynamics has been extended in the braneworld cosmology [17] [18]. Hayward first introduced a formalism for defining thermal properties of black holes in terms of measurable quantities. Where dΩ=22 dθ 2 + sin θ dφ 2 is the line element of a two-dimensional unit sphere, a (t ) is the scale factor of the universe, b (r ) and Φ (t, r ) are the
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of High Energy Physics, Gravitation and Cosmology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
