On the detachment of an isolated closed universe by Hawking evaporation

Details On the detachment of an isolated closed universe by Hawking evaporation On the detachment of an isolated closed universe by Hawking evaporation

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cqgra...6.1641t&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 6, Nov. 1, 1989, p. 1641-1654.

Astronomy and Astrophysics

Astronomy

2

Cosmology, Quantum Theory, Space-Time Functions, Black Holes (Astronomy), Schwarzschild Metric, Vacuum

Scientific paper

A monotonically expanding bubble of false vacuum separated by a thin domain wall from an infinite region of true vacuum is studied. It is argued on the basis of a two-dimensional model that the detachment of the bubble will always occur due to quantum evaporation. The model also predicts that the bubble emits a burst of negative-energy radiation in the earliest stage of its evolution if its initial radius is much smaller than a certain characteristic value.

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