Radiation Theory - BGU Physics Department
BGU Physics Department
Radiation and Matter in the Universe
(3 points, 3 hours)
course number 203-2-4701
- Description of the radiation field: flux, intensity, photon occupation number. Blackbody radiation. Brightness temperature.
- Opacity and emissivity. Kirchhoff law, detailed balance, Einstein coefficients.
- Equation of radiation transfer. Optical depth. Radiation diffusion.
- Bremsstrahlung and free-free absorption. Thomson scattering.
- Line spectrum and basics of atomic and molecular spectroscopy. Ionization and recombination.
- Radiation from relativistically moving sources. Synchrotron emission and absorption. Inverse Compton scattering.
- Basics of nuclear physics: strong, weak and electromagnetic interactions; nuclear binding energy.
- Stellar structure. Nuclear reactions in stars. Solar neutrino. Main sequence: pp and CNO cycles, mass-luminosity relation. Beyond the main sequence: helium burning and red giants.
- Final stages of stellar evolution. Properties of degenerate matter. Chandrasekhar limit. White dwarfs, neutron stars, black holes.
- Cosmic rays. Nuclear interaction of relativistic particles. CR diffusion in the galaxy.
- Radiative processes in astrophysics (Rybicki & Lightman 1979)
- Stellar structure and evolution (Prialnik 2000)
- Black holes, White dwards and neutron stars (Shapiro & Teukolsky, 2004)
- High energy astrophysics (Longair 2011)
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