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gr-qc2023
Neutron Star properties in gravity
Pinaki Roy, Bharat Kumar
In this work, we systematically derive the Einstein field equations in general relativity and gravity, the Tolman-Oppenheimer-Volkoff (TOV) equation, and the expre…
gr-qc2007
Higher order intertwining approach to quasinormal modes
T. Jana, P. Roy
Using higher order intertwining operators we obtain new exactly solvable potentials admitting quasinormal mode (QNMs) solutions of the Klein-Gordon equation. It is also shown that…