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Vacuum Averages of the Energy-Momentum Tensor of a Scalar Field in Homogeneous Spaces with a Conformal Metric

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Within the framework of the method of orbits, expressions have been obtained for the vacuum averages of the energy-momentum tensor of a scalar field with an arbitrary coupling constant in a spacetime with a nonstationary metric of Robertson–Walker type, where space is a homogeneous Riemannian manifold. It is shown that the vacuum averages of the energy-momentum tensor are determined by the complete set of solutions of the reduced equation with a smaller number of independent variables and with algebraic characteristics of homogeneous space.

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Authors and Affiliations

  1. National Research Tomsk State University, Tomsk, Russia

    A. I. Breev & A. V. Kozlov

  2. National Research Tomsk Polytechnic University, Tomsk, Russia

    A. I. Breev

Authors
  1. A. I. Breev
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  2. A. V. Kozlov
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Correspondence to A. I. Breev.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 41–47, September, 2015.

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Breev, A.I., Kozlov, A.V. Vacuum Averages of the Energy-Momentum Tensor of a Scalar Field in Homogeneous Spaces with a Conformal Metric. Russ Phys J 58, 1248–1257 (2016). https://doi.org/10.1007/s11182-016-0639-5

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  • DOI: https://doi.org/10.1007/s11182-016-0639-5

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