Greybody factors at large imaginary frequencies

@inproceedings{Neitzke2003GreybodyFA,
  title={Greybody factors at large imaginary frequencies},
  author={Andrew Neitzke},
  year={2003}
}
Extending a computation which appeared recently in [1], we compute the transmission and reflection coefficients for massless uncharged scalars and gravitational waves scattered by d ≥ 4 Schwarzschild or d = 4 Reissner-Nordstrøm black holes, in the limit of large imaginary frequencies. The transmission coefficient has an interpretation as the “greybody factor” which determines the spectrum of Hawking radiation. The result has an interesting structure and we speculate that it may admit a simple… CONTINUE READING

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