Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...337...91r&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 337, Feb. 1, 1989, p. 91-96.
Astronomy and Astrophysics
Astronomy
3
Intergalactic Media, Interstellar Magnetic Fields, Particle Acceleration, Radio Jets (Astronomy), Background Radiation, Bessel Functions, Black Holes (Astronomy), Electron Acceleration, Positrons, Protons, Relativistic Particles
Scientific paper
The authors previously calculated magnetic fields produced in axisymmetric charged particle beams (jets) in which electrons (electrons and positrons) have drift velocities with respect to protons. In the present paper numerical solutions are compared with Bessel function and helical magnetic field solutions. Magnetic fields are calculated within mildly relativistic, relativistic, and ultrarelativistic jets interacting with the 2.7 K background radiation. A principal conclusion of these calculations is that large-scale magnetic fields with intensities comparable to those within radio galaxies can be generated by the interaction of mildly relativistic jets with the 2.7 K background radiation. Expressions for the radiation from electrons within jets are calculated, and mechanisms for electron accelerators are discussed.
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