Selected topics in high energy astrophysics
- What is High-Energy Astrophysics?
- cosmic rays, solar flares, collisionless highly magnetised plasma
- non-thermal particle energy spectra and non-thermal radiative processes
- astrophysical sources of high-energy emission and particles
- multi-messenger approach - Radiative transfer
- basic concepts and definitions
- relativistic beaming - Leptonic emission processes
- synchrotron emission
- inverse-Compton emission
- thermal and non-thermal bremsstrahlung
- photon-photon pair creation - Hadronic emission processes
- proton-proton pion production
- photo-meson production - Turbulent acceleration
- Fermi process
- kinetic equation for the particle energy evolution
- waves in ideal MHD; particle-waves interactions
- diffusion approximation - Shock acceleration
- shocks in astrophysics
- advection/diffusion equation for the particle energy evolution
- diffusive shock acceleration - Astrophysics of Supermassive Black Holes
- basic concepts and parameters
- co-evolution of SMBHs and hots galaxies
- phenomenon of Active Galactic Nuclei