Weighted power counting and perturbative unitarity

Dylan Albrecht
Phys. Rev. D 83, 045029 – Published 24 February 2011

Abstract

We consider the relationship between renormalizability and unitarity at a Lifshitz point in d dimensions. We test tree unitarity for theories containing only scalars and fermions, and for pure gauge theory. In both cases, we find the requirement of weighted power-counting renormalizability is equivalent to that of tree unitarity.

  • Received 21 December 2010

DOI:https://doi.org/10.1103/PhysRevD.83.045029

© 2011 American Physical Society

Authors & Affiliations

Dylan Albrecht

  • Particle Theory Group, Department of Physics, College of William and Mary, Williamsburg, Virginia 23187-8795, USA

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Issue

Vol. 83, Iss. 4 — 15 February 2011

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