Cylindrical Collapse and Gravitational Waves

Abstract

We study the matching conditions for a collapsing anisotropic cylindrical perfect fluid, and we show that its radial pressure is non zero on the surface of the cylinder and proportional to the time dependent part of the field produced by the collapsing fluid. This result resembles the one that arises for the radiation - though non-gravitational - in the spherically symmetric collapsing dissipative fluid, in the diffusion approximation.

Some comments and a new reference added. To appear in Class. Quantum. Grav

References in corpus (1)

• Matching of spatially homogeneous non-stationary space--times to vacuum in cylindrical symmetry

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