Compact radio sources as plasma turbulent reactors. I - Formation of Maxwellian type spectra of relativistic electrons accelerated by resonance Langmuir waves

Details Compact radio sources as plasma turbulent reactors. I - Formation of Maxwellian type spectra of relativistic electrons accelerated by resonance Langmuir waves Compact radio sources as plasma turbulent reactors. I - Formation of Maxwellian type spectra of relativistic electrons accelerated by resonance Langmuir waves

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987afz....26..527a&link_type=abstract

(Astrofizika, vol. 26, May-June 1987, p. 527-541) Astrophysics (ISSN 0571-7132), vol. 26, no. 3, Nov. 1987, p. 318-327. Translat

Astronomy and Astrophysics

Astrophysics

4

Astronomical Models, Electron Acceleration, Extragalactic Radio Sources, Maxwell-Boltzmann Density Function, Plasma Turbulence, Relativistic Particles, Active Galactic Nuclei, Electrostatic Waves, Plasma Resonance, Plasma-Electromagnetic Interaction, Quasars

Scientific paper

For extragalactic compact radio sources such as QSOs and AGNs a self-consistent plasma turbulent reactor model is proposed wherein the acceleration of relativistic electrons responsible for the electromagnetic radiation of these objects on resonant Langmuir waves in thermal plasma occurs. It is shown that this stochastic acceleration process is dominant even if an extremely small fraction of the energy density of resonant turbulence Wlres is present in the total energy density of the turbulence Wl ≡ WH ⪉ nkBT. Self-consistent consideration of the acceleration and radiative losses of the electrons leads to the Maxwell-like spectra of relativistic electrons with the characteristic Lorentz-factor γ0 ≡ 103.

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