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- W2030665770 abstract "We consider the semiclassical Einstein equations (SEE) in the presence of a quantum scalar field with self-interaction $ensuremath{lambda}{ensuremath{phi}}^{4}$. Working in the Hartree truncation of the two-particle irreducible effective action, we compute the vacuum expectation value of the energy-momentum tensor of the scalar field, which acts as a source of the SEE. We obtain the renormalized SEE by implementing a consistent renormalization procedure. We apply our results to find self-consistent de Sitter solutions to the SEE in situations with or without spontaneous breaking of the ${Z}_{2}$-symmetry." @default.
- W2030665770 created "2016-06-24" @default.
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- W2030665770 date "2014-04-03" @default.
- W2030665770 modified "2023-10-03" @default.
- W2030665770 title "Hartree approximation in curved spacetimes revisited. II. The semiclassical Einstein equations and de Sitter self-consistent solutions" @default.
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- W2030665770 doi "https://doi.org/10.1103/physrevd.89.084013" @default.
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