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Time-dependent perturbations in two-dimensional String Black Holes | | G. A. Diamandis
; B. C. Georgalas
; X. Maintas
; N.E. Mavromatos
; | | Date: |
9 Oct 1992 | | Journal: | Phys.Lett. B297 (1992) 67-73 | | Subject: | hep-th | | Abstract: | We discuss time-dependent perturbations (induced by matter fields) of a black-hole background in tree-level two-dimensional string theory. We analyse the linearized case and show the possibility of having black-hole solutions with time-dependent horizons. The latter exist only in the presence of time-dependent `tachyon’ matter fields, which constitute the only propagating degrees of freedom in two-dimensional string theory. For real tachyon field configurations it is not possible to obtain solutions with horizons shrinking to a point. On the other hand, such a possibility seems to be realized in the case of string black-hole models formulated on higher world-sheet genera. We connect this latter result with black hole evaporation/decay at a quantum level.} | | Source: | arXiv, hep-th/9210055 | | Services: | Forum | Review | PDF | Favorites | |
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