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Gauge-invariant perturbations for a collapsing dust sphere

Research paper by Haydeh Sirousse-Zia

Indexed on: 01 Sep '96Published on: 01 Sep '96Published in: General Relativity and Gravitation



Abstract

We study the first-order gauge-invariant perturbations of the metric (the scalar type), the energy density and the four-velocity of matter inside a collapsing homogeneous sphere of dust. Unless in a particular case, these perturbations grow towards the end of the collapse.