Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2003-10-16
Gen.Rel.Grav.37:215-223,2005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 Latex pages, No figures, Revtex style
Scientific paper
10.1007/s10714-005-0010-6
A model is proposed of a collapsing quasi-spherical radiating star with matter content as shear-free isotropic fluid undergoing radial heat-flow with outgoing radiation. To describe the radiation of the system, we have considered both plane symmetric and spherical Vaidya solutions. Physical conditions and thermodynamical relations are studied using local conservation of momentum and surface red-shift. We have found that for existence of radiation on the boundary, pressure on the boundary is not necessary.
Chakraborty Subenoy
Debnath Ujjal
Nath Soma
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