No Contact Terms for the Magnetic Field in Lorentz- and CPT-Violating Electrodynamics

Abstract

In a Lorentz- and CPT-violating modification of electrodynamics, the fields of a moving charge are known to have unusual singularities. This raises the question of whether the singular behavior may include $\delta$-function contact terms, similar to those that appear in the fields of idealized dipoles. However, by calculating the magnetic field of an infinite straight wire in this theory, we demonstrate that there are no such contact terms in the magnetic field of a moving point charge

13 pages

References in corpus (5)

• Sensitive polarimetric search for relativity violations in gamma-ray bursts
• Lorentz-violating electrodynamics and the cosmic microwave background
• Failure of Gauge Invariance in the Nonperturbative Formulation of Massless Lorentz-Violating QED
• No Vacuum Cerenkov Radiation Losses in the Timelike Lorentz-Violating Chern-Simons Theory
• Absence of Long-Wavelength Cerenkov Radiation With Isotropic Lorentz and CPT Violation

Cited by in corpus (3)

• Problems with Lorentz Violation Originating From a Cosmologically Varying Pseudoscalar Field
• Mode Analysis for Energetics of a Moving Charge In Lorentz- and CPT-Violating Electrodynamics
• Testing the Ampère-Maxwell law on the photon mass and Lorentz-Poincaré symmetry violation with MMS multi-spacecraft data