The SU(11) family unified model and the thermal history of the very early universe.

Details The SU(11) family unified model and the thermal history of the very early universe. The SU(11) family unified model and the thermal history of the very early universe.

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ncima.104.1687j&link_type=abstract

Nuovo Cimento A, Vol. 104, No. 12, p. 1687 - 1695

Computer Science

Scientific paper

Ellis and Steigman have shown that in the SU(5) grand unified theory (GUT) the thermal history of the very early universe is trivial, i.e. in thermal equilibrium. Ogino pointed out that if torsion particles were introduced in the SU(5) GUT, the thermal history of the very early universe would become complex. One of more realistic grand unified models is the SU(11) family unified model suggested by Georgi. In this paper, the authors discuss the thermal history of the very early universe in the frame of Georgi's SU(11) model. Because a lot of superheavy fermions will appear in the SU(11) model, Ogino's results must be modified. These quantitative modifications have been calculated.

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