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arxiv: hep-th/0604025 · v2 · submitted 2006-04-04 · ✦ hep-th

Twist Symmetry and Gauge Invariance

classification ✦ hep-th
keywords gaugesymmetryconcepttheoriestwisttwistedapplyingapproach
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By applying properly the concept of twist symmetry to the gauge invariant theories, we arrive at the conclusion that previously proposed in the literature noncommutative gauge theories, with the use of $\star$-product, are the correct ones, which possess the twisted Poincar\'e symmetry. At the same time, a recent approach to twisted gauge transformations is in contradiction with the very concept of gauge fields arising as a consequence of {\it local} internal symmetry. Detailed explanations of this fact as well as the origin of the discrepancy between the two approaches are presented.

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