Einstein-Yang-Mills theory with a massive dilaton and axion: String-inspired regular and black hole solutions
- Laboratory of Nuclear Studies, Cornell University, Ithaca, New York 14853 (United States)
We study the classical theory of a non-Abelian gauge field [gauge group SU(2)] coupled to a massive dilaton, massive axion, and Einstein gravity. The theory is inspired by the bosonic part of the low-energy heterotic string action for a general Yang-Mills field, which we consider to leading order after compactification to 3+1 dimensions. We impose the condition that spacetime be static and spherically symmetric, and we introduce masses via a dilaton-axion potential associated with supersymmetry breaking by gaugino condensation in the hidden sector. In the course of describing the possible non-Abelian solutions of the simplified theory, we consider in detail two candidates: a massive dilaton coupled to a purely magnetic Yang-Mills field, and a massive axion field coupled to a non-Abelian dyonic configuration, in which the electric and magnetic fields decay too rapidly to correspond to any global gauge charge. We discuss the feasibility of solutions with and without a nontrivial dilaton for the latter case, and present numerical regular and black hole solutions for the former.
- OSTI ID:
- 7180908
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Vol. 50:2; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BLACK HOLES
YANG-MILLS THEORY
STRING MODELS
AXIONS
GRAVITATION
ELECTRIC FIELDS
FOUR-DIMENSIONAL CALCULATIONS
GAUGE INVARIANCE
MAGNETIC FIELDS
SU-2 GROUPS
SUPERSYMMETRY
SYMMETRY BREAKING
BOSONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
GOLDSTONE BOSONS
INVARIANCE PRINCIPLES
LIE GROUPS
MATHEMATICAL MODELS
PARTICLE MODELS
POSTULATED PARTICLES
QUARK MODEL
SU GROUPS
SYMMETRY
SYMMETRY GROUPS
662110* - General Theory of Particles & Fields- Theory of Fields & Strings- (1992-)
661310 - Relativity & Gravitation- (1992-)