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Greybody factors for rotating black holes in four dimensions | | Mirjam Cvetic
; Finn Larsen
; | | Date: |
11 Jun 1997 | | Journal: | Nucl.Phys. B506 (1997) 107-120 | | Subject: | hep-th gr-qc | | Abstract: | We present the wave equation for a minimally coupled scalar field in the background of a rotating four-dimensional black hole that is parametrized by its mass, angular momentum, and four independent U(1) charges. The near horizon structure is identical to the five-dimensional case, and suggestive of an underlying description in string theory that is valid in the general non-extremal case. We calculate the greybody factors for the Hawking radiation. For sufficiently large partial wave number the emission spectrum can be calculated for general non-extremal black holes and any particle energy. We interpret this spectrum in terms of a multi-body process in an effective string theory. | | Source: | arXiv, hep-th/9706071 | | Services: | Forum | Review | PDF | Favorites | |
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