Statistics – Computation
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...282..370b&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 282, July 15, 1984, p. 370-373.
Statistics
Computation
14
Cosmology, Elementary Particle Interactions, Hadrons, Quantum Chromodynamics, Quarks, Universe, Gluons, Leptons, Strong Interactions (Field Theory), Temperature Effects
Scientific paper
Quantum chromodynamics (QCD) Monte Carlo computations on the lattice make it possible to draw a number of significant conclusions on the evolution of the universe at the epoch of the quark-hadron transition. It is pointed out that in recent years QCD has had a number of significant successes in describing strong interactions. The basic constituents of strongly interacting matter (s.i.m.) are claimed to be quarks and gluons. Quarks are fermions whose strong charge is called color. At lower temperatures, QCD forces tend to confine quarks in systems with overall zero color change; these systems are the hadrons (baryons and mesons). The epoch of the quark-hadron transition in a homogeneous and isotropic model is considered, and the time dependence of the temperature at this epoch is shown with the aid of a graph. Main findings of the considered investigation are related to the role of radiation and leptons, and the existence of a temperature plateau.
Bonometto Silvio A.
Sakellariadou Mairi
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