White holes, black holes, and [ital CPT] in two dimensions
- Department of Physics, Univerity of California at Santa Barbara, Santa Barbara, California 93106-9530 (United States) Institute for Theoretical Physics, University of California at Santa Barbara, Santa Barbara, California 93106-4030 (United States)
It is argued that a unitarity-violating but weakly [ital CPT] invariant superscattering matrix exists for leading-order large-[ital N] dilaton gravity, if and only if one includes in the Hilbert space Planckian thunderpop'' excitations which create white holes. [ital CPT] apparently cannot be realized in a low-energy effective theory in which such states have been integrated out. Rules for computing leading-large-[ital N] superscattering are described in terms of quantum field theory on a single multiply connected spacetime obtained by sewing the future (past) horizons of the original spacetime with the past (future) horizons of its [ital CPT] conjugate. Some difficulties which may arise in going beyond leading order in 1/[ital N] are briefly discussed.
- OSTI ID:
- 5686722
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Vol. 48:12; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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