Foundations of Classical Electrodynamics, Equivalence Principle and Cosmic Interactions: A Short Exposition and an Update
arXiv:1204.0872 · doi:10.1142/S0217732313400130
Abstract
We look at the foundations of electromagnetism in this 1st LeCosPA Symposium. For doing this, after some review (constraints on photon mass etc.), we use two approaches. The first one is to formulate a Parametrized Post-Maxwellian (PPM) framework to include QED corrections and a pseudoscalar photon interaction. PPM framework includes lowest corrections to unified electromagnetism-gravity theories based on connection approach. It may also overlap with corrections implemented from generalized uncertainty principle (GUP) when electromagnetism-gravity coupling is considered. We discuss various vacuum birefringence experiments - ongoing and proposed - to measure these parameters. The second approach - the chi-g framework is to look at electromagnetism in gravity and various experiments and observations to determine its empirical foundation. The SME (Standard Model Extension) and SMS (Standard Model Supplement) overlap with the chi-g framework in their photon sector. We found that the foundation is solid with the only exception of a potentially possible pseudoscalar-photon interaction. We discussed its experimental constraints and look forward to more future experiments.
arXiv comment15 pages, 2 figures, 2 tables. Plenary talk at First LeCosPA Symposium: Towards Ultimate Understanding of the Universe(LeCosPA2012), National Taiwan University, Taipei, ROC, February 6-9, 2012
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Cited by in corpus (8)
- Acceleration of Universe by Nonlinear Electromagnetic Fields
- Spacetime structure and asymmetric metric from the premetric formulation of electromagnetism
- Skewon field and cosmic wave propagation
- Dilaton field and cosmic wave propagation
- Rapidly rotating pulsar radiation in vacuum nonlinear electrodynamics
- Anomalous character of the axion-photon coupling in a magnetic field distorted by a pp-wave gravitational background
- Optical cavity resonator in an expanding universe
- 3+1 formulation of light modes in nonlinear electrodynamics