Generalized second law of thermodynamics in presence of interacting tachyonic field and scalar(phantom)field

Details Generalized second law of thermodynamics in presence of interacting tachyonic field and scalar(phantom)field Generalized second law of thermodynamics in presence of interacting tachyonic field and scalar(phantom)field

2010-12-08

arxiv.org/abs/1012.1784v1

Can.J.Phys.88:933-938,2010

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages

Scientific paper

10.1139/P10-094

In the present work, we have considered tachyonic field, phantom field and scalar field in both interacting and non-interacting situations and investigated the validity of the generalized second law of thermodynamics in a flat FRW universe. We found that in all cases, excepting the phantom field dominated universe, the derivative of the entropy is remaining at negative level and is increasing with the decrease in the redshift.

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