Study of gravastars in Finslerian geometry

In this present article, we have proposed gravastar under Finslerian spacetime geometry, which can be claimed as an alternative to Finslerian black hole. This study can be considered as a sequel of our previous works based on the Finslerian geometry where we have constructed some phenomenological mo...

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Bibliographic Details
Published in:European physical journal plus 2020-02, Vol.135 (2), p.185, Article 185
Main Authors: Banerjee, Sumita, Ghosh, Shounak, Paul, Nupur, Rahaman, Farook
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Atomic
Black holes
Complex Systems
Condensed Matter Physics
Equations of state
Geometry
Gravity
Mathematical and Computational Physics
Molecular
Nonlinear equations
Optical and Plasma Physics
Physical properties
Physics
Physics and Astronomy
Regular Article
Spacetime
Stars & galaxies
Theoretical
Thin walled shells
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Summary:In this present article, we have proposed gravastar under Finslerian spacetime geometry, which can be claimed as an alternative to Finslerian black hole. This study can be considered as a sequel of our previous works based on the Finslerian geometry where we have constructed some phenomenological models for compact stars and wormholes. The concept of gravastar was first proposed by Mazur and Mottola (2001. arXiv:gr-qc/0109035 ; Proc Natl Acad Sci USA 101:9545, 2004) which consist of three regions in its configuration namely (I) the interior core, (II) the intermediate thin shell, and (III) the vacuum exterior. These three regions can be described by three different equation of state. Here we solve gravastar under the framework of Finsler geometry and obtain a set of exact and physically acceptable solutions for three different regions. We have also studied various physical parameters which are fulfilled by the physical requirement for validity of the present study on gravastar within the Finslerian spacetime geometry.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/s13360-020-00230-0