Massive photons and Lorentz violation

Mauro Cambiaso, Ralf Lehnert, and Robertus Potting
Phys. Rev. D 85, 085023 – Published 23 April 2012

Abstract

All quadratic translation- and gauge-invariant photon operators for Lorentz breakdown are included into the Stueckelberg Lagrangian for massive photons in a generalized Rξ gauge. The corresponding dispersion relation and tree-level propagator are determined exactly, and some leading-order results are derived. The question of how to include such Lorentz-violating effects into a perturbative quantum-field expansion is addressed. Applications of these results within Lorentz-breaking quantum-field theories include the regularization of infrared divergences as well as the free propagation of massive vector bosons.

  • Figure
  • Received 14 January 2012

DOI:https://doi.org/10.1103/PhysRevD.85.085023

© 2012 American Physical Society

Authors & Affiliations

Mauro Cambiaso1, Ralf Lehnert2, and Robertus Potting3

  • 1Universidad Andres Bello, Departamento de Ciencias Fisicas, Facultad de Ciencias Exactas, Avenida Republica 220, Santiago, Chile
  • 2Indiana University Center for Spacetime Symmetries, Bloomington, Indiana 47405, USA
  • 3CENTRA, Departamento de Física, Universidade do Algarve, 8005-139 Faro, Portugal

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Issue

Vol. 85, Iss. 8 — 15 April 2012

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