Investigation of Photon Sphere in Spheroidal Spacetime
Abstract
We consider the occurrence of black hole from the collapsing perfect fluid configuration in the spheroidal spacetime. In this set up, the particular cases of black hole as an end state of continual collapse with exact solutions for the geometric spheroidal parameter K = −2 and K = −7 are explored for the formation of photon sphere. It is found that photon sphere does not exist in both the cases, and the divergence of effective potential at the origin rules out formation of a shadow of the black hole.
Letters in High Energy Physics (LHEP) is an open access journal. The articles in LHEP are distributed according to the terms of the creative commons license CC-BY 4.0. Under the terms of this license, copyright is retained by the author while use, distribution and reproduction in any medium are permitted provided proper credit is given to original authors and sources.
Terms of Submission
By submitting an article for publication in LHEP, the submitting author asserts that:
1. The article presents original contributions by the author(s) which have not been published previously in a peer-reviewed medium and are not subject to copyright protection.
2. The co-authors of the article, if any, as well as any institution whose approval is required, agree to the publication of the article in LHEP.
