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One-loop effective action for spherical scalar field collapse

Aleksandar Mikovic-+ and Voja Radovanovic++

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We calculate the complete one-loop effective action for a spherical scalar field collapse in the large-radius approximation. This action gives the complete trace anomaly, which beside the matter loop contributions, receives a contribution from the graviton loops. Our result opens the possibility for a systematic study of back-reaction effects for a real black hole.


PACS

04.60.Kz Lower dimensional models; minisuperspace models

04.70.-s Physics of black holes

11.10.Kk Field theories in dimensions other than four

04.60.Pp Loop quantum gravity, quantum geometry, spin foams

MSC

83C57 Black holes

83C25 Approximation procedures, weak fields

Subjects

Gravitation and cosmology

Particle physics and field theory

Dates

Issue 4 (April 1998)

Received 7 November 1997



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