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- Title
Thermodynamics of Lema $$\hat{i}$$ tre−Tolman−Bondi Model.
- Authors
Mazumder, Nairwita; Biswas, Ritabrata; Chakraborty, Subenoy
- Abstract
Here we consider our universe as inhomogeneous spherically symmetric Lema $${\hat{i}}$$ tre−Tolman−Bondi Model and analyze the thermodynamics of this model of the universe. The trapping horizon is calculated and is found to coincide with the apparent horizon. The Einstein field equations are shown to be equivalent with the unified first law of thermodynamics. Finally assuming the first law of thermodynamics validity of the generalized second law of thermodynamics is examined at the apparent horizon for the perfect fluid and at the event horizon for holographic dark energy.
- Subjects
UNIVERSE; THERMODYNAMICS; EINSTEIN field equations; DARK energy; RADIATION
- Publication
General Relativity & Gravitation, 2011, Vol 43, Issue 6, p1827
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-011-1160-3