title: Vacuum photon splitting in Lorentz-violating quantum electrodynamics.
abstract: Radiative corrections arising from Lorentz violation in the fermion sector induce a nonzero amplitude for vacuum photon splitting. At one loop, the on-shell amplitude acquires both CPT-even and CPT-odd contributions forbidden in conventional electrodynamics.
authors.affiliation: Physics Department, Indiana University, Bloomington, Indiana 47405, USA.
authors.forename: V Alan
authors.initials: VA
authors.lastname: Kostelecký
authors.forename: Austin G M
authors.initials: AG
authors.lastname: Pickering