Quantum instability of gravitational collapse in de Sitter space

Details Quantum instability of gravitational collapse in de Sitter space Quantum instability of gravitational collapse in de Sitter space

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvd..39.1067h&link_type=abstract

, Volume 39, Issue 4, 15 February 1989, pp.1067-1071

Mathematics

Logic

10

Theory Of Quantized Fields

Scientific paper

The vacuum stress-energy tensor of a quantized conformal scalar field is examined for several candidate vacuum states in a (two-dimensional) asymptotically de Sitter space around a collapsing star. The vacuum stress energy is shown to diverge on the future black-hole event horizon if the vacuum state is chosen so that the stress energy is regular on the cosmological horizons. It does not appear possible to find a quantum vacuum state whose stress energy is nondivergent on both the cosmological event horizons and the future black-hole event horizon.

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