Confinement in compact QED for low couplings | Zendy

Shahar BenMenahem | Zendy

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Confinement in compact QED for low couplings

Author(s) -

Shahar BenMenahem

Publication year - 1979

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.20.1923

Subject(s) - physics , compact space , path integral formulation , lattice (music) , coupling (piping) , quantum electrodynamics , quantum mechanics , theoretical physics , statistical physics , mathematical analysis , mathematics , quantum , materials science , acoustics , metallurgy

A comparison is made between several models of lattice QED, in 2+1 dimensions, which have been shown to exhibit confinement for small couplings. We also compare two different approaches which have been employed to study this phenomenon: the variational and path-integral methods. The reasons for differences in the results are explored. The importance of compactness for low-coupling confinement is demonstrated.

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