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- Jadavpur UniversityIN38 papers
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21 papers · 1 filter
Interaction between phantom field and modified Chaplygin gas
Surajit Chattopadhyay, Ujjal Debnath
In this letter, we have considered a flat FRW universe. Instead of considering only one candidate for dark energy, we have considered interaction between phantom field and modified…
Thermodynamics of Modified Chaplygin Gas and Tachyonic Field
Samarpita Bhattacharya, Ujjal Debnath
Here we generalize the results of the work of ref. [10] in modified Chaplygin gas model and tachyonic field model. Here we have studied the thermodynamical behaviour and the equati…
Validity of Thermodynamical Laws in Dark Energy Filled Universe
Samarpita Bhattacharya, Ujjal Debnath
We have considered the flat FRW model of the universe which is filled with only dark energy. The general descriptions of first and second laws of thermodynamics are investigated on…
Generalized second law of thermodynamics in presence of interacting tachyonic field and scalar(phantom)field
Surajit Chattopadhyay, Ujjal Debnath
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 gene…
Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe
Piyali Bagchi Khatua, Ujjal Debnath
We have considered a model of two component mixture i.e., mixture of Chaplygin gas and barotropic fluid with tachyonic field. In the case, when they have no interaction then both o…
Role of Chameleon Field in Accelerating Universe
Piyali Bagchi Khatua, Ujjal Debnath
In this work, we have considered a model of the flat FRW universe filled with cold dark matter and Chameleon field where the scale function is taken as, (i) Intermediate Expansion…