Noncommutative Field Theory and Lorentz Violation

2001/05/09 by Sean M. Carroll, Jeffrey A. Harvey, V. Alan Kostelecky +2 · 3 citations
Physics and Astronomy · #hep-th #hep-ph

paper · pdf · doi:10.1103/physrevlett.87.141601

published as Phys.Rev.Lett.87:141601,2001 · 4 pages

arxiv created 2001/05/09 · arxiv updated 2009/11/30

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.

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