Quantum gravitational processes in a hot ultrarelativistic gas and their effect on the isotropic Universe evolution

Details Quantum gravitational processes in a hot ultrarelativistic gas and their effect on the isotropic Universe evolution Quantum gravitational processes in a hot ultrarelativistic gas and their effect on the isotropic Universe evolution

1999-02-09

arxiv.org/abs/gr-qc/9902023v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, LaTeX

Scientific paper

The variant of quasiclassical (half-quantum) theory of gravity in strong gravitational field is presented. The exact solution of the problem of the renormalized energy-momentum tensor calculation is performed in terms of non-local operator-signed function. The procedure of quasilocalization is proposed, which leads to the equations of non-equilibrium thermodynamics for temperature and curvature. The effects of induced particle creation and media polarization are taking into account and used to solve the problem of non-Einstein's branches damping. The problem of Universe creation from "nothing" is also discussed.

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