paper

Noncommutative Field Theory and Lorentz Violation

arXiv:hep-th/0105082 · doi:10.1103/PhysRevLett.87.141601

Abstract

The role of Lorentz symmetry in noncommutative field theory is considered. Any realistic noncommutative theory is found to be physically equivalent to a subset of a general Lorentz-violating standard-model extension involving ordinary fields. Some theoretical consequences are discussed. Existing experiments bound the scale of the noncommutativity parameter to (10 TeV)^{-2}.

4 pages

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