Equation of State for Particles Arising at the Universe at Grand Unification Energies

1994/05/19 by Irina Dymnikova, I. Dymnikova, Dymnikova, I. +2
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph) #Relativity and Gravitational Theory #gr-qc #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9405333

8 pages, tex, IFT/9/1994

arxiv created 1994/05/19 · openalex publication_date 1994/05/19 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

First postinflationary stage of the Universe evolution is considered in more detail. It is shown that heavy particles with mass M_H∼ M_GUT arising at the Universe at phase transitions at Grand Unification Energies behave like ideal quantum degenerate Bose gas. The equation of state for both scalar and gauge bosons is presented including the coupling constant and vacuum expectation value at E_GUT. One possible way is proposed to connect cosmological observational data with parameters of Grand Unified Theories.

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