Charged Perfect Fluid Cylindrical Gravitational Collapse

Details Charged Perfect Fluid Cylindrical Gravitational Collapse Charged Perfect Fluid Cylindrical Gravitational Collapse

2011-09-14

arxiv.org/abs/1109.3012v1

J. Phys. Soc. Jpn. 80(2011)104002

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, 4 figures, accepted for publication in J. Phys. Soc. Jpn

Scientific paper

This paper is devoted to study the charged perfect fluid cylindrical gravitational collapse. For this purpose, we find a new analytical solution of the field equations for non-static cylindrically symmetric spacetime. We discuss physical properties of the solution which predict gravitational collapse. It is concluded that in the presence of electromagnetic field the outgoing gravitational waves are absent. Further, it turns out that when longitudinal length reduces to zero due to resultant action of gravity and electromagnetic field, then the end state of the gravitational collapse is a conical singularity. We also explore the smooth matching of the collapsing cylindrical solution to a static cylindrically symmetric solution. In this matching, we take a special choice of constant radius of the boundary surface. We conclude that the gravitational and Coulomb forces of the system balance each other.

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