Inhomogeneous magnetic fields in extragalactic radio sources

Details Inhomogeneous magnetic fields in extragalactic radio sources Inhomogeneous magnetic fields in extragalactic radio sources

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.186..853h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 186, Mar. 1979, p. 853-865.

Physics

6

Astronomical Models, Extragalactic Radio Sources, High Energy Electrons, Interstellar Magnetic Fields, Magnetic Flux, Relativistic Particles, Electron Diffusion, Electron Pressure, Field Theory (Physics), Magnetic Field Configurations, Nonthermal Radiation, Self Consistent Fields, Steady State, Synchrotron Radiation

Scientific paper

A model is proposed in which concentrations of magnetic flux are maintained by the pressure of relativistic electrons within the tails of extended extragalactic radio sources. These 'knots' of flux originate from slight local enhancements of the field within which the electron energy density diminishes with respect to the energy density outside. Electrons diffusing into these knots are responsible for the observed nonthermal radiation. The diffusion of charged particles across a magnetic field with a turbulent component is discussed, and a diffusion time scale is derived for use in the model.

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