Theoretical Physics and Astrophysics |
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absorption accelerated Agranovich and Ginzburg angle approximation assume average beam bremsstrahlung calculations Chapter charge Cherenkov effect Cherenkov radiation classical clear coefficient collisions component condition conservation laws consider corresponding cosmic rays course crystal optics d³r density dipole Doppler Doppler effect effect electrodynamics electron emission emitted energy equal equation expression fact fluctuations flux frequency function Galaxy gamma-rays Hamiltonian instance integral intensity isotropic isotropic medium Landau and Lifshitz longitudinal waves magnetic field mc² momentum Moreover motion moving neglect non-relativistic normal waves nuclei optical oscillator parameters particle permittivity photons polarization problem propagation quantities quantum radiative refractive index region relativistic result scattering spatial dispersion spectrum Stokes parameters synchrotron radiation taken into account tensor theory tion transition radiation transverse Tsytovich vacuo vector velocity wavevector X-ray Zheleznyakov