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most citedDeciphering signatures of Kerr-Sen black holes in presence of plasma from the Event Horizon Telescope data

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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…