Slide 28 of 48
Notes:
See Accretion Power in Astrophysics, Frank, King and Raine, 2nd Edition p 224
Synchrotron emission is produced when relativistic electrons spiral around the force lines of a magnetic field. At sufficiently low frequencies, relativistic electrons in the same field can absorb the photons produced earlier by other electrons. This process is known as synchrotron self absorption.