RG study of a non-local sine-Gordon model

We study a non-local version of the sine-Gordon model connected to a many-body system with backward and umklapp scattering processes. Using renormalization group methods we derive the flow equations for the couplings and show how non-locality affects the gap in the spectrum of charge-density excitat...

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Detalles Bibliográficos
Autores principales:	Naón, Carlos María, Salvay, Mariano J.
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2003
Materias:	Ciencias Exactas Física Field theory Non-local Renormalization group
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/131041
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

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