Greybody factors of string-corrected d-dimensional black holes

Abstract

We compute analytically greybody factors for asymptotically flat spherically symmetric black holes with stringy higher derivative corrections in d dimensions in the high frequency limit. Our calculations include both the eikonal limit - where the real part of the frequency of the scattered wave is much larger than the imaginary part - and the highly damped case - where the imaginary part of the frequency is much larger than the real part -, addressing the emission of gravitons and test scalar fields, and yielding full transmission and reflection scattering coefficients.

27 pages, 5 figures. v2: references added; some discussions improved; final published version

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Cited by in corpus (1)

• Grey-body factors of higher dimensional regular black holes in quasi-topological theories