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    • Particle production in curved spacetime

      N G Sarkar S Biswas

      Volume 50 Issue 2 February 1998 pp 109-131

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/050/02/0109-0131

    • Keywords

       

      Particle production; Robertson-Walker spacetime; parametric resonance

    • Abstract

       

      Particle production in curved spacetime has been discussed through the method of complex time WKB approximation. We consider Dirac equation in non-flat spacetime to understand particle production as particle-antiparticle rotation. The method is also generalized to understand particle production through parametric resonance. To understand the method of CWKB we consider particle production in Kasner spacetime as an example.

    • Author Affiliations

       

      N G Sarkar1 S Biswas1

      1. Department of Physics, University of Kalyani, Kalyani - 741 235, India

    • Dates

       
      Published
      February 1998
      Manuscript received
      2 May 1997
      Manuscript revised
      22 September 1997

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