Sigma models with local couplings: a new integrability-RG flow connection

Sigma models with local couplings: a new integrability-RG flow connection

Abstract We consider several classes of σ-models (on groups and symmetric spaces, η-models, ⋋-models) with local couplings that may depend on the 2d coordinates, e.g. on time τ . We observe that (i) starting with a classically integrable 2d σ-model, (ii) formally promoting its couplings h α to funct...

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Bibliographic Details
Main Authors: Ben Hoare, Nat Levine, Arkady A. Tseytlin
Format: Article
Language:English
Published: SpringerOpen 2020-11-01
Series:Journal of High Energy Physics
Subjects:
Bosonic Strings
Integrable Field Theories
Sigma Models
Online Access:http://link.springer.com/article/10.1007/JHEP11(2020)020

Internet

http://link.springer.com/article/10.1007/JHEP11(2020)020

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