Electrodynamics of moving magnetoelectric media: variational approach

Details Electrodynamics of moving magnetoelectric media: variational approach Electrodynamics of moving magnetoelectric media: variational approach

2007-08-08

arxiv.org/abs/0708.1153v1

Phys.Lett.A371:11-19,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Revtex, 18 pages, no figures,

Scientific paper

10.1016/j.physleta.2007.08.026

Recently, Feigel has predicted a new effect in magnetoelectric media. The theoretical evaluation of this effect requires a careful analysis of a dynamics of the moving magnetoelectric medium and, in particular, the derivation of the energy-momentum of the electromagnetic field in such a medium. Then, one can proceed with the study of the wave propagation in this medium and derive the mechanical quantities such as the energy, the momentum, and their fluxes and the corresponding forces. In this paper, we develop a consistent general-relativistic variational approach to the moving dielectric and magnetic medium with and without magnetoelectric properties. The old experiments in which the light pressure was measured in fluids are reanalysed in our new framework.

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