Comments on regularization ambiguities and local gauge symmetries

Artigo

Fecha

2005-08-20

Registro en:

Modern Physics Letters A. Singapore: World Scientific Publ Co Pte Ltd, v. 20, n. 25, p. 1933-1938, 2005.

0217-7323

http://hdl.handle.net/11449/31663

10.1142/S0217732305017044

WOS:000231328300008

http://repositorioslatinoamericanos.uchile.cl/handle/2250/3904374

Autor

Universidade Estadual Paulista (Unesp)

Institución

Universidade Paulista Júlio de Mesquita Filho (Brasil)

Resumen

We study the regularization ambiguities in an exact renormalized (1 + 1)-dimensional field theory. We show a relation between the regularization ambiguities and the coupling parameters of the theory as well as their role in the implementation of a local gauge symmetry at quantum level.

Materias

theory of quantized fields

gauge field theories

symmetry and conservation laws

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