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    • Hawking radiation of scalar and Dirac quanta from a Kerr black hole

      B R Iyer Arvind Kumar

      General Relativity Volume 12 Issue 2 February 1979 pp 103-120

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/012/02/0103-0120

    • Keywords

       

      Kerr black hole; Hawking effect; scalar fields; Dirac fields

    • Abstract

       

      Unruh’s technique of replacing collapse by boundary conditions on the past horizon (theξ-quantisation scheme) for the derivation of the well-known Hawking radiation is extended to the Kerr black hole for the scalar and especially for the spin half field. The expectation value of the energy momentum tensor is evaluated asymptotically in theξ-vacuum state yielding explicitly the net Hawking flux of scalar and spin half quanta. The appropriate statistical distribution that emerges naturally for Dirac quanta validates the ξ-scheme for fermions and confirms the association of temperature with a Kerr black hole.

    • Author Affiliations

       

      B R Iyer1 Arvind Kumar1

      1. Department of Physics, University of Bombay, Bombay - 400 098

    • Dates

       
      Published
      February 1979
      Manuscript received
      16 September 1978
      Manuscript revised
      1 December 1978

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