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hep-th2018
Thermodynamics and Phase Transition in Shapere-Wilczek {\it fgh} model: Cosmological Time Crystal in Quadratic Gravity
Praloy Das, Supriya Pan, Subir Ghosh
The Shapere-Wilczek model \cite{wil}, or so called model, enjoys the remarkable features of a Time Crystal (TC) that has a non-trivial time dependence in its lowest energy s…
hep-th2018
Back Reaction Inhomogeneities in Cosmological Parameter Evolution via Noncommutative Fluid
Praloy Das, Subir Ghosh
The paper discusses back reaction effects in cosmology, (á la Buchert et. al.), induced by noncommutative geometry effects in fluid. We have used generalizations of an action formu…