Generalized inflation and confinement phase transitions in the early universe.

Details Generalized inflation and confinement phase transitions in the early universe. Generalized inflation and confinement phase transitions in the early universe.

Publishing date

Oct 1989

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989zphyc..44..503p&link_type=abstract

Journals

Z. Phys., C, Vol. 44, No. 3, p. 503 - 508

Science

Physics

Additional info 3

Cosmology: Inflationary Universe

Type

Scientific paper

Abstract

Giving up the restriction ɛ/p = const, the author shows that equations of state with ɛ-3p = Δ > 0 will be driven to the inflationary solution with ɛ = -p after sufficiently long times. Subsequently, he shows that confinement transitions may provide such an equation of state due to a change of degrees of freedom. Depending on the energy scale of the confinement transition inflation may occur during confinement. Numerical results for quark and subquark confinement are given. For QCD-confinement the transition time is too short, compared to the energy density, for a significant deviation of the scale factor to occur.

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