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Generalizations of the Sommerfield and Schwinger models

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arxiv 1907.12705 v2 pith:BUEIVDNN submitted 2019-07-30 hep-th hep-ph

classification hep-thhep-ph
keywords modelgeneralizationssommerfieldfieldmassivemasslessschwingervector
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The Sommerfield model with a massive vector field coupled to a massless fermion in 1+1 dimensions is an exactly solvable analog of a Bank-Zaks model. The "physics" of the model comprises a massive boson and an unparticle sector that survives at low energy as a conformal field theory (Thirring model). We analyze generalizations of the Sommerfield model, and the corresponding generalizations of the Schwinger model, with more massless fermions and more vector fields.

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  1. Non-perturbative Effects and Unparticle Physics in Generalized Schwinger Models

    hep-th 2019-08 conditional novelty 7.0 of 10

    In a class of exactly solvable generalized Schwinger models, all normalized low-dimension operators with the same chiral charge flow to a single unparticle operator at long distances.

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