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gr-qc2019
Even parity potential for spacetimes with Gaussian matter source and its associated QNM spectra
Souvik Pramanik, Kumar Das
We have obtained the general form of even mode potential function for the gravitational perturbation of a static spherically symmetric spacetime. Considering the minimal-spread Gau…
gr-qc2017★ 9 cited
Attractor Models in Scalar-Tensor Theories of Inflation
Sukannya Bhattacharya, Kumar Das, Koushik Dutta
In this work we study the cosmological attractor models of inflation in connection with certain scalar-tensor theories of gravity, e.g gravity and Brans-Dicke theory. For so…