2 papers
gr-qc2023
Imprints of Einstein-Maxwell dilaton-axion gravity in the observed shadows of Sgr A* and M87*
Siddharth Kumar Sahoo, Neeraj Yadav, Indrani Banerjee
Einstein-Maxwell dilaton-axion (EMDA) gravity provides a simple framework to investigate the signatures of string theory. The axion and the dilaton fields arising in EMDA gravity h…
gr-qc2021
Quasar continuum spectrum disfavors black holes with a magnetic monopole charge
Indrani Banerjee, Vijay Shersingh Chawan, Bhaswati Mandal +2
Black holes carrying a magnetic monopole charge are a subject of interest for a long time. In this work we explore the possibility of an observational evidence of such black holes…