Twisted Grosse-Wulkenhaar $φ^{\star 4}$ model: dynamical noncommutativity and Noether currents

Details Twisted Grosse-Wulkenhaar $φ^{\star 4}$ model: dynamical noncommutativity and Noether currents Twisted Grosse-Wulkenhaar $φ^{\star 4}$ model: dynamical noncommutativity and Noether currents

2009-09-24

arxiv.org/abs/0909.4562v1

J.Phys.A43:155202,2010

Physics

Mathematical Physics

Scientific paper

10.1088/1751-8113/43/15/155202

This paper addresses the computation of Noether currrents for the renormalizable Grosse-Wulkenhaar (GW) $\phi^{\star 4}$ model subjected to a dynamical noncomutativity realized through a twisted Moyal product. The noncommutative (NC) energy-momentum tensor (EMT), angular momentum tensor (AMT) and the dilatation current (DC) are explicitly derived. The breaking of translation and rotation invariances has been avoided via a constraint equation.

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