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Geometric origin of pair production by electric field in de sitter space

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Abstract

Particle production in de Sitter space provides an interesting model for understanding the curvature effect on Schwinger pair production by a constant electric field or the Schwinger mechanism on de Sitter radiation. For that purpose, we employ the recently introduced complex analysis method in which the quantum evolution in complex time explains pair production via the geometric transition amplitude and gives the pair-production rate as a contour integral. We compare the result from the contour integral with that of the phase-integral method.

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Authors and Affiliations

  1. Department of Physics, Kunsan National University, Kunsan, 573-701, Korea

    Sang Pyo Kim

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  1. Sang Pyo Kim
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Correspondence to Sang Pyo Kim.

Additional information

Based on a plenary talk given at the 11th International Conference on Gravitation, Astrophysica and Cosmology of Asia-Pacific Countries (ICGAC-11), October 1–5, 2013, Almaty, Kazakhstan.

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Kim, S.P. Geometric origin of pair production by electric field in de sitter space. Gravit. Cosmol. 20, 193–196 (2014). https://doi.org/10.1134/S0202289314030104

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  • DOI: https://doi.org/10.1134/S0202289314030104

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