Gravitational backreaction effect of Schwinger pair production in a strong electric field in de Sitter spacetime

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Bavarsad Ehsan; Margosian Narbeh

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Journal: JOURNAL OF RESEARCH ON MANY BODY SYSTEMS Year:2018 | Volume:8 | Issue:17 Page(s): 1-10

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Title

Gravitational backreaction effect of Schwinger pair production in a strong electric field in de Sitter spacetime

Author(s)

Bavarsad Ehsan | Margosian Narbeh | Issue Writer Certificate

Keywords

Scalar fieldQ1

de Sitter spacetimeQ1

Schwinger effectQ1

Semiclassical energymomentum tensorQ1

Gravitational backreactionQ1

Abstract

In this paper, a massive charged Scalar field in a uniform strong electric field background in a de Sitter spacetime of arbitrary dimension has been considered. Using Bogoliubov coefficients, we obtain the semiclassical energy-momentum tensor of the Schwinger pairs in the strong electric field limit. We have shown that the trace of the semiclassical energy-momentum tensor vanishes. We have found that the nonvanishing components of the semiclassical energy-momentum tensor increase by a power of the electric field. Our results of the semiclassical energy-momentum tensor would be important for discussing the Gravitational backreaction effect of the Schwinger pair production. We have shown that the Hubble constant decays and the time scale of the decay decreases by a power of the electric field.

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APA: Copy

Bavarsad, Ehsan, & Margosian, Narbeh. (2018). Gravitational backreaction effect of Schwinger pair production in a strong electric field in de Sitter spacetime. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 8(17 ), 1-10. SID. https://sid.ir/paper/243754/en

Vancouver: Copy

Bavarsad Ehsan, Margosian Narbeh. Gravitational backreaction effect of Schwinger pair production in a strong electric field in de Sitter spacetime. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2018;8(17 ):1-10. Available from: https://sid.ir/paper/243754/en

IEEE: Copy

Ehsan Bavarsad, and Narbeh Margosian, “Gravitational backreaction effect of Schwinger pair production in a strong electric field in de Sitter spacetime,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 8, no. 17 , pp. 1–10, 2018, [Online]. Available: https://sid.ir/paper/243754/en

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