Electrodynamics of Continuous Media

angle anisotropy atoms averaging axes axis body boundary condition calculated charge circuit co-ordinates coefficient components conducting conductor constant corresponding cross-section crystal Curie point curl H current density cylinder denote depends derivative determined dielectric permeability difference differentiating diffraction dipole direction discontinuity distance effect electric field electromagnetic electrons electrostatic ellipsoid entropy equation div expression external field ferroelectric ferromagnetic fluid flux force formula free energy frequency function given gives grad Hence induction integral isotropic Laplace's equation layer Let us consider linear macroscopic magnetic field magnetic moment magnetisation magnitude Maxwell's equations medium metal normal obtain optical particle perpendicular phase piezoelectric plane polarisation PROBLEM propagation properties pyroelectric quantities radius refraction relation respect result rotation scalar scattering self-inductance ſº solution sphere suffixes superconducting surface symmetry tangential temperature theory thermodynamic potential tion uniform unit volume values variable velocity wave vector wire z-axis zero