Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-05-13
Nucl.Phys.B791:284-297,2008
Physics
High Energy Physics
High Energy Physics - Theory
16 pages
Scientific paper
10.1016/j.nuclphysb.2007.09.012
The choice of a star product realization for noncommutative field theory can be regarded as a gauge choice in the space of all equivalent star products. With the goal of having a gauge invariant treatment, we develop tools, such as integration measures and covariant derivatives on this space. The covariant derivative can be expressed in terms of connections in the usual way giving rise to new degrees of freedom for noncommutative theories.
Pinzul Aleksandr
Stern Ady
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