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A Conformal Affine Toda Model of 2D-Black Holes the End-Point State and the S-Matrix | F.Belgiorno
; A.S.Cattaneo
; M.Martellini
; F.Fucito
; | Date: |
3 Feb 1993 | Journal: | Phys.Rev. D48 (1993) 2660-2669 | Subject: | hep-th | Abstract: | In this paper we investigate in more detail our previous formulation of the dilaton-gravity theory by Bilal--Callan--de~Alwis as a $SL_2$-conformal affine Toda (CAT) theory. Our main results are: i) a field redefinition of the CAT-basis in terms of which it is possible to get the black hole solutions already known in the literature; ii) an investigation the scattering matrix problem for the quantum black hole states. It turns out that there is a range of values of the $N$ free-falling shock matter fields forming the black hole solution, in which the end-point state of the black hole evaporation is a zero temperature regular remnant geometry. It seems that the quantum evolution to this final state is non-unitary, in agreement with Hawking’s scenario for the black hole evaporation. | Source: | arXiv, hep-th/9302011 | Services: | Forum | Review | PDF | Favorites |
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