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Title: Noncommutative Field Theory and Lorentz Violation

Journal Article · · Physical Review Letters

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){sup -2} .

Sponsoring Organization:
(US)
DOE Contract Number:
FG01-91ER40661
OSTI ID:
40277671
Journal Information:
Physical Review Letters, Vol. 87, Issue 14; Other Information: DOI: 10.1103/PhysRevLett.87.141601; Othernumber: PRLTAO000087000014141601000001; 043140PRL; PBD: 1 Oct 2001; ISSN 0031-9007
Publisher:
The American Physical Society
Country of Publication:
United States
Language:
English

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