4.5 Article

Aspects of the Equivalence between the fμ and cνμ Terms in Lorentz-Violating Quantum Field Theory

Journal

SYMMETRY-BASEL
Volume 14, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/sym14112326

Keywords

Lorentz symmetry; discrete spacetime symmetries; field transformations

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This paper extends the classical equivalence in Lorentz-violating effective field theory to the quantum level. The study generalizes the spinorial point transformations and modifies the C, P, and T operators in order to correspond to the correct interchanges of physical particle states.
It is known that in Lorentz-violating effective field theory, there is a classical equivalence between certain coefficients (c and f), in spite of the fact that the operators of the two types of coefficients described appear to have opposite behaviors under CPT. This paper is a continuation of previous work extending this equivalence to the quantum level: generalizing the explicit spinorial point transformations that interconvert the c and f terms; demonstrating that the transformations do not give rise to any additional anomaly terms as the quantum level; and giving explicit prescriptions for modifying the C, P, and T operators in the f theory, so that they correspond to the correct interchanges of physical particle states.

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