Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-02-26
Prog.Theor.Phys. 91 (1994) 1217-1238
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages (no figures), phyzzx and tables.tex KUNS-1251
Scientific paper
10.1143/PTP.91.1217
Dynamical symmetry breaking is studied in an E_6 GUT model of a single generation of fermions with strong 4-fermi interactions. The effective potential is analyzed analytically by the help of Michel's conjecture and the result is confirmed numerically. We find that the E_6 symmetry is spontaneously broken either to F_4 or to Sp(8) or G_2 or SU(3), depending on which of the 4-fermi coupling constants G_27 and G_351 in the 27/351 channels is stronger. The possibilities for obtaining other type of breaking patterns are also discussed.
Kugo Taichiro
Sato Joe
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