Symmetry-breaking hierarchies in the Pati-Salam group induced by supergravity

Details Symmetry-breaking hierarchies in the Pati-Salam group induced by supergravity Symmetry-breaking hierarchies in the Pati-Salam group induced by supergravity

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..36..966b&link_type=abstract

Physical Review D (Particles and Fields), Volume 36, Issue 3, 1 August 1987, pp.966-968

Physics

2

Spontaneous And Radiative Symmetry Breaking, Supergravity, Spontaneous Breaking Of Gauge Symmetries, Supersymmetry

Scientific paper

Assuming that the Pati-Salam group SUL(2)×SUR(2)×SUC(4) breaks in the zeroth order of supergravity to SUL(2)×UR(1)×UB-L(1)×SUC(3) at a mass scale of M, it is shown that the subsequent intermediate scale of squeezing the two U(1)'s and the final breakdown to SUC(3)×UEM(1) occur at ξM and ξ2M, respectively, where ξ is a very small supergravity expansion parameter of the order of 10-8.

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