Articles de blog de Nazim Djeghloul

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Auxiliary fields in open gauge theories
par Nazim Djeghloul, vendredi 31 octobre 2014, 22:51
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With A. Meziane and M. Tahiri.

REF.: PHYSICAL REVIEW D 88, 065002 (2013)

Abstract: We show that for open gauge theories, it is possible to build an off-shell Becchi-Rouet-Stora-Tyutin algebra together with an invariant extension of the classical action. This is based on the introduction of auxiliary fields, after having defined an on-shell invariant quantum action, where the gauge-fixing action is written as in Yang–Mills type theories up to a modified Becchi-Rouet-Stora-Tyutin operator. An application to simple supergravity is performed.
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[ Modifié: vendredi 31 octobre 2014, 22:52 ]