Null geodesic structure for the Barriola-Vilenkin spacetime via $k$-essence

Bivash Majumder, Saibal Ray, Goutam Manna

Based on the work of Chandrasekhar [{\it The Mathematical Theory of Black Holes, Oxford Univ. Press (1992)}], we investigate the null geodesic structure of the emergent Barriola-Vi…