Dissipative Spherical Gravitational Collapse of Isotropic Fluid

B. C. Tewari; Kali Charan

doi:10.4236/jmp.2015.64049

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JMP> Vol.6 No.4, March 2015

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Dissipative Spherical Gravitational Collapse of Isotropic Fluid ()

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DOI: 10.4236/jmp.2015.64049 3,265 Downloads 3,824 Views Citations

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B. C. Tewari, Kali Charan

Affiliation(s)

Department of Mathematics, Kumaun University, S.S.J. Campus, Almora, India.

ABSTRACT

We present a number of parametric class of exact solutions of a radiating star and the matching conditions required for the description of physically meaningful fluid. A number of previously known class of solutions have been rediscovered which describe well behaved nature of fluid distributions. The interior matter fluid is shear-free spherically symmetric isotropic and undergoing radial heat flow. The interior metric obeyed all the relevant physical and thermodynamic conditions and matched with Vaidya exterior metric over the boundary. Initially the interior solutions represent a static configuration of perfect fluid which then gradually starts evolving into radiating collapse. The apparent luminosity as observed by the distant observer at rest at infinity and the effective surface temperature are zero in remote past at the instant when collapse begins and at the stage when collapsing configuration reaches the horizon of the black hole.

KEYWORDS

Exact Solutions, Radiating Star, Gravitational Collapse, Black Hole

Cite this paper

Tewari, B. and Charan, K. (2015) Dissipative Spherical Gravitational Collapse of Isotropic Fluid. Journal of Modern Physics, 6, 453-462. doi: 10.4236/jmp.2015.64049.

Conflicts of Interest

The authors declare no conflicts of interest.

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