Shadow analysis for rotating black holes in the presence of plasma for an expanding universe

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dc.contributor.author Chowdhuri, Abhishek
dc.contributor.author Bhattacharyya, Arpan
dc.coverage.spatial United States of America
dc.date.accessioned 2021-10-08T05:30:46Z
dc.date.available 2021-10-08T05:30:46Z
dc.date.issued 2021-09
dc.identifier.citation Chowdhuri, Abhishek and Bhattacharyya, Arpan, "Shadow analysis for rotating black holes in the presence of plasma for an expanding universe", Physical Review D, DOI: 10.1103/PhysRevD.104.064039, vol. 104, no. 6, Sep. 2021. en_US
dc.identifier.issn 2470-0010
dc.identifier.issn 2470-0029
dc.identifier.uri https://doi.org/10.1103/PhysRevD.104.064039
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/6946
dc.description.abstract We explore the structure of shadow for a Kerr-de Sitter black hole with a nonmagnetized, pressureless plasma surrounding it. Specific plasma distributions are considered to separate the Hamilton-Jacobi equation and find the photon regions. An analytic formula describing the boundary curve of the shadow for such a black hole in an expanding universe for an observer at any finite point outside the horizon is derived. We observe deviations which are further explored by calculating the curvature radius at a particular point and distortion parameter for such structures in the presence and absence of plasma and calculate the diameter of the shadow.
dc.description.statementofresponsibility by Abhishek Chowdhuri and Arpan Bhattacharyya
dc.format.extent vol. 104, no. 6
dc.language.iso en_US en_US
dc.publisher American Physical Society en_US
dc.subject Classical black holes en_US
dc.subject General relativity en_US
dc.subject Gravitation en_US
dc.subject Cosmology en_US
dc.subject Astrophysics en_US
dc.title Shadow analysis for rotating black holes in the presence of plasma for an expanding universe en_US
dc.type Article en_US
dc.relation.journal Physical Review D


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