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Compares linear predictions of radiation in stellar collapse with numerical integration outcomes, indicating strong correlations.
We compare the predictions of linearized theory for the radiation produced in the collapse of a spherically symmetric scalar field with a full numerical integration of the Einstein equations. We find power-law tails and quasinormal ringing remarkably similar to predictions of linearized theory even in cases where nonlinearities are crucial. We also show that power-law tails develop even when the collapsing scalar field fails to produce a black hole.
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Gundlach et al. (1994) studied this question.
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