Regular Article - Theoretical Physics
Thawing and freezing quintessence models: a thermodynamic consideration
Department of Physical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, WB, 741 246, India
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Accepted: 22 October 2019
Published online: 5 November 2019
Thawing and freezing quintessence models are compared thermodynamically. Both of them are found to disobey the generalized second law of thermodynamics. However, for freezing models, there is still a scope as this breakdown occurs in the past, deep inside the radiation dominated era, when a standard scalar field model with a pressureless matter is not a correct description of the matter content. The thawing model has a pathological breakdown in terms of thermodynamics in a finite future.
© The Author(s), 2019