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arxiv: gr-qc/0009025 · v1 · submitted 2000-09-08 · 🌀 gr-qc

Quantum Birth of a Hot Universe

I.G. Dymnikova (Institute of Mathematics , Informatics , Physics , University of Warmia , Mazury in Olsztyn , Olsztyn , Poland) , M.L. Fil'chenkov (Alexander Friedmann Laboratory for Theoretical Physics
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St. Petersburg Russia; Institute of Gravitation Cosmology Peoples' Friendship University of Russia Moscow Russia)
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classification 🌀 gr-qc
keywords universequantumbirthdomainpre-de-sitteranisotropyassumedbackground
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We consider quantum birth of a hot Universe in the framework of quantum qeometrodynamics in the minisuperspace model. The energy spectrum of the Universe in the pre-de-Sitter domain naturally explains the cosmic microwave background (CMB) anisotropy. The false vacuum where the Universe tunnels from the pre-de-Sitter domain is assumed to be of a Grand Unification Theory (GUT) scale. The probability of the birth of a hot Universe from a quantum level proves to be about $10^{-10^{14}}$. In the presence of matter with a negative pressure (quintessence) it is possible for open and flat universes to be born as well as closed ones.

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