Particle production by white holes

Wald, Robert M. ; Ramaswamy, Sriram (1980) Particle production by white holes Physical Review D - Particles, Fields, Gravitation and Cosmology, 21 (10). pp. 2736-2741. ISSN 1550-7998

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A white hole is the time reverse of a spacetime in which gravitational collapse has occurred to form a black hole. We find that in quantum field theory in a white-hole background, for any initial state of the field which is a product of a state on the horizon with a state at past null infinity, an infinite particle and energy flux occurs at future null infinity when the white-hole horizon is seen to terminate. This may be interpreted as a quantum version of the classical white-hole instability discussed by Eardley. Consequently, there appear to be considerable difficulties in incorporating white holes into a consistent picture of a thermodynamic self-gravitating quantum system. This provides evidence that the laws of quantum gravity may not be time-reversal invariant.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
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Deposited On:21 May 2011 10:31
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