Classical Electrodynamics |
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Page 133
... current corresponds to charges in motion and is described by a current density J , measured in units of positive charge crossing unit area per unit time , the direction of motion of the charges defining the direction of J. In ...
... current corresponds to charges in motion and is described by a current density J , measured in units of positive charge crossing unit area per unit time , the direction of motion of the charges defining the direction of J. In ...
Page 151
... current density . These moments can give rise to dipole fields which vary appreciably on the atomic scale of ... current from the time derivative of the polarization P. Hence all the contributions to the current appear only in the ...
... current density . These moments can give rise to dipole fields which vary appreciably on the atomic scale of ... current from the time derivative of the polarization P. Hence all the contributions to the current appear only in the ...
Page 312
... current density J and the fields E and B. For a simple conducting medium of conductivity σ , Ohm's law applies , and the current density is J ' = σE ' ( 10.6 ) where J ' and E ' are measured in the rest frame of the medium . For a ...
... current density J and the fields E and B. For a simple conducting medium of conductivity σ , Ohm's law applies , and the current density is J ' = σE ' ( 10.6 ) where J ' and E ' are measured in the rest frame of the medium . For a ...
Common terms and phrases
4-vector acceleration Ampère's law angle angular distribution antenna approximation atomic axis Babinet's principle behavior boundary conditions calculate cavity Chapter charge q charged particle coefficients collisions component conducting conductor constant coordinate cross section cylinder d³x dielectric dielectric constant diffraction dipole direction discussed E₁ electric field electromagnetic fields electron electrostatic energy loss factor force equation frame frequency given Green's function impact parameter incident particle integral Kirchhoff Lagrangian Laplace's equation Lorentz force Lorentz invariant Lorentz transformation m₁ magnetic field magnetic induction magnitude Maxwell's equations meson modes momentum multipole nonrelativistic obtain oscillations P₁ P₂ parallel perpendicular phase velocity plane wave plasma polarization power radiated problem propagation radius region relativistic result scalar scattering screen shown in Fig shows sin² solution sphere spherical surface transverse unit V₁ vanishes vector potential velocity wave guide wave number wavelength ΦΩ