Noncommutative Field Theory and Lorentz Violation
classification
✦ hep-th
hep-ph
keywords
noncommutativetheoryfieldlorentzboundconsequencesconsidereddiscussed
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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}.
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