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34 papers · 1 filter
Optical Transmission Spectra of Hot-Jupiters: Effects of Scattering
Sujan Sengupta, Aritra Chakrabarty, Giovanna Tinetti
We present new grids of transmission spectra for hot-Jupiters by solving the multiple scattering radiative transfer equations with non-zero scattering albedo instead of using the B…
Finite temperature properties of a modified PolyakovNambuJona-Lasinio model
Abhijit Bhattacharyya, Paramita Deb, Sanjay K. Ghosh +5
Thermodynamic properties of strongly interacting matter are investigated using the Polyakov loop enhanced NambuJona-Lasinio model along with some modifications to include the ha…
Concircular curvature on warped product manifolds and applications
Uday Chand De, Sameh Shenawy, Bulent Unal
This study aims mainly at investigating the effects of concircular flatness and concircular symmetry of a warped product manifold on its fibre and base manifolds. Concircularly fla…
Exotic signature of dynamical quantum phase transition in the time evolution of engineered initial state
Sirshendu Bhattacharyya, Subinay Dasgupta
Dynamical phase transition in quantum many body systems is usually studied by taking it in the ground state and then quenching a parameter to a new value. We investigate here the d…
Variable and gravity theory and analytical Cosmological Solutions using Noether symmetry approach
Santu Mondal, Sourav Dutta, Subenoy Chakraborty
The present work deals with scalar field cosmology in the framework of a quantum gravity modified Einstein-Hilbert Lagrangian with variable and . Using Renormalization group…
Cosmological solutions of the Einstein equation with heat flow
Abhik Kumar Sanyal, Dipankar Ray
Cosmological solutions of Einstein's equation for fluids with heat flow in a generalized Robertson-Walker metric are obtained, generalizing the results of Bergmann.