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Classical and Quantum Aspects of 1+1 Gravity | | T. Kloesch
; P. Schaller
; T. Strobl
; | | Date: |
2 Aug 1996 | | Journal: | Helv.Phys.Acta 69 (1996) 305-308 | | Subject: | gr-qc | | Abstract: | We present a classification of all global solutions (with Lorentzian signature) for any general 2D dilaton gravity model. For generic choices of potential-like terms in the Lagrangian one obtains maximally extended solutions on arbitrary non-compact two-manifolds, including various black-hole and kink configurations. We determine all physical quantum states in a Dirac approach. In some cases the spectrum of the (black-hole) mass operator is found to be sensitive to the signature of the theory, which may be relevant in view of current attempts to implement a generalized Wick-rotation in 4D quantum gravity. | | Source: | arXiv, gr-qc/9608006 | | Services: | Forum | Review | PDF | Favorites | |
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