Chiral nontopological solitons with perturbative quantum pions

Journal Article · Fri Apr 01 04:00:00 EST 1988 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.37.1971· OSTI ID:5374466

Williams, A G; Dodd, L R

We investigate chiral extensions of a broad class of nontopological soliton bag models. Chiral symmetry is restored in a nonlinear realization through the introduction of an elementary pion field. We show in particular that it is consistent to treat the pions as a perturbative quantum field, as is done in the cloudy-bag model. The cloudy-bag model is recovered as a limiting case. A careful comparison is made between predictions of chiral extensions of the Friedberg-Lee and the Nielsen-Patkos color-dielectric nontopological soliton models and the cloudy-bag model. Once the overall distance scale is fixed we find relative insensitivity to the detailed choice of nontopological soliton parameters. We investigate two versions of chiral nontopological solitons, analogous to the surface- and volume-coupled cloudy-bag model, and discuss their relation to current algebra.

• Research Organization: Institute for Nuclear Theory, Department of Physics, FM-15, University of Washington, Seattle, Washington 98195
• OSTI ID: 5374466
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 37:7; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

645204* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Strong Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BAG MODEL
CHIRAL SYMMETRY
COMPOSITE MODELS
CURRENT ALGEBRA
CURRENTS
DATA
ELEMENTARY PARTICLES
EXTENDED PARTICLE MODEL
FIELD THEORIES
INFORMATION
LAGRANGIAN FIELD THEORY
MATHEMATICAL MODELS
NUMERICAL DATA
PARTICLE MODELS
PERTURBATION THEORY
POSTULATED PARTICLES
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
QUASI PARTICLES
SOLITONS
SYMMETRY