10.1186/2251-7235-6-24

Linear energy-momentum tensor for a scalar field in de Sitter space

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  • Mohammad Reza Tanhayi1,
  • Sepideh Mirabi2,
  1. Department of Physics, Faculty of Basic Science, Islamic Azad University Central Tehran Branch (IAUCTB), P.O. Box 14676‑86831, Tehran, Iran
  2. Department of Physics, Islamic Azad University

Published in Issue 2023-11-17

How to Cite

1.
Tanhayi MR, Mirabi S. Linear energy-momentum tensor for a scalar field in de Sitter space. J Theor Appl phys. 2023 Nov. 17;6(1). Available from: https://oiccpress.com/jtap/article/view/2071
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Abstract

AbstractIn this work, under a small perturbation of the background metric with the squeezing of other fields (scalar field in our case), the linear form of the energy-momentum tensor is calculated in terms of the perturbation factor. The linear form of the Klein-Gordon equation for a scalar field with both minimally and conformally coupled cases in de Sitter and flat metrics are also calculated.

Keywords

  • De Sitter spacetime,
  • Energy,
  • Gordon equation,
  • Klein,
  • Momentum tensor in curved space
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