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Supersymmetry and Lorentz Violation
M. S. Berger, V. Alan Kostelecky
Supersymmetric field theories can be constructed that violate Lorentz and CPT symmetry. We illustrate this with some simple examples related to the original Wess-Zumino model.
One-Loop Renormalization of Lorentz-Violating Electrodynamics
Alan Kostelecky, Charles Lane, Austin Pickering
We show that the general Lorentz- and CPT-violating extension of quantum electrodynamics is one-loop renormalizable. The one-loop Lorentz-violating beta functions are obtained, and…
Clock-Comparison Tests of Lorentz and CPT Symmetry in Space
Robert Bluhm, Alan Kostelecky, Charles Lane +1
Clock-comparison experiments conducted in space can provide access to many unmeasured coefficients for Lorentz and CPT violation. The orbital configuration of a satellite platform…
Cosmological Constraints on Lorentz Violation in Electrodynamics
Alan Kostelecky, Matthew Mewes
Infrared, optical, and ultraviolet spectropolarimetry of cosmological sources is used to constrain the pure electromagnetic sector of a general Lorentz-violating standard-model ext…
Noncommutative Field Theory and Lorentz Violation
Sean M. Carroll, Jeffrey A. Harvey, V. Alan Kostelecky +2
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…
Cross Sections and Lorentz Violation
Don Colladay, Alan Kostelecky
The derivation of cross sections and decay rates in the Lorentz-violating standard-model extension is discussed. General features of the physics are described, and some conceptual…