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gr-qc2022★ 18 cited
Shadow of the Reissner-Nordström AdS Black Hole
Surajit Mandal, Sudhaker Upadhyay, Yerlan Myrzakulov +1
We discuss the shadow cast by the charged Reissner-Nordström (RN) AdS black hole. With the help of Killing equation and Hamilton-Jacobi equation, we calculate the geodesic equation…
gr-qc2022★ 18 cited
The Oscillatory Universe, phantom crossing and the Hubble tension
Mohit K. Sharma, Shibesh Kumar Jas Pacif, Gulmira Yergaliyeva +1
We investigate the validity of cosmological models with an oscillating scale factor in relation to late-time cosmological observations. We show that these models not only meet the…