Intermediate scales of symmetry breaking in Calabi-Yau models

Journal Article · Thu Oct 15 00:00:00 EDT 1992 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.46.3601· OSTI ID:7200492

Masip, M ^[1]

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1. Institute for Fundamental Theory, Department of Physics, University of Florida, Gainesville, Florida 32611 (United States)

We discuss the generation of large intermediate scales of symmetry breaking in grand unification models suggested by the heterotic string. We analyze on dimensional grounds a particular scenario where one flat direction in the effective potential defines two different scales of gauge-symmetry breaking at very high energies ({approx}10{sup 15} GeV). This mechanism implies the presence of one light ({similar to}1 TeV) nonchiral neutrino. The size of the observable low-energy effects seems, however, quite model dependent.

• OSTI ID: 7200492
• Journal Information: Physical Review, D (Particles Fields); (United States), Vol. 46:8; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Pa
GRAND UNIFIED THEORY
SYMMETRY BREAKING
GAUGE INVARIANCE
GRAVITATIONAL INTERACTIONS
LEPTON NUMBER
MATRICES
NEUTRINOS
POTENTIALS
QUANTUM NUMBERS
QUARK-ANTIQUARK INTERACTIONS
QUARKS
STANDARD MODEL
STRING MODELS
SU-2 GROUPS
SU-3 GROUPS
SUPERSYMMETRY
U-1 GROUPS
BASIC INTERACTIONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FERMIONS
FIELD THEORIES
INTERACTIONS
INVARIANCE PRINCIPLES
LEPTONS
LIE GROUPS
MASSLESS PARTICLES
MATHEMATICAL MODELS
PARTICLE INTERACTIONS
PARTICLE MODELS
POSTULATED PARTICLES
QUARK MODEL
SU GROUPS
SYMMETRY
SYMMETRY GROUPS
U GROUPS
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
662110* - General Theory of Particles & Fields- Theory of Fields & Strings- (1992-)
662210 - Specific Theories & Interaction Models
Particle Systematics- Unified Theories & Models- (1992-)