Contribution Of Blackhole Entropy Towards Acceleration Of The Universe

Details Contribution Of Blackhole Entropy Towards Acceleration Of The Universe Contribution Of Blackhole Entropy Towards Acceleration Of The Universe

2008-05-23

arxiv.org/abs/0805.3571v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages

Scientific paper

In a recent model Choudhury proposed that a collapsing matter generates an adiabatic pressure which can be used to explain the acceleration of the physical universe under certain approximation. In this work we superimpose the core pressure generated through the entropy of the blackhole. We have ignored the blackhole internal energy change during this process. We have then calculated both Hubble parameter and the deacceleration parameter. We have shown that the Hubble parameter is positive and the deacceleration parameter fluctuates with time, meaning for certain period the universe accelerates and decelerates for other time.

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