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Global Symmetries and Renormalizability of Lee-Wick Theories

In this paper we discuss the global symmetries and the renormalizibility of Lee-Wick scalar QED. In particular, in the "auxiliary-field" formalism we identify softly broken SO(1,1) global symmetries of the theory. We introduce SO(1,1) invariant gauge-fixing conditions that allow us to show in the two-field formalism directly that the number of superficially divergent amplitudes in a LW Abelian gauge theory is finite. To illustrate the renormalizability of the theory, we explicitly carry out the one-loop renormalization program in LW scalar QED and demonstrate how the counterterms required are constrained by the joint conditions of gauge- and SO(1,1)-invariance. We also compute the one-loop beta-functions in LW scalar QED and contrast them with those of ordinary scalar QED.

preprint2010arXivOpen access
R. Sekhar ChivukulaArsham FarzinniaRoshan FoadiElizabeth H. Simmons
hep-phhep-th
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R. Sekhar ChivukulaArsham FarzinniaRoshan FoadiElizabeth H. Simmons

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