Shock conditions for relativistic MHD jets

Details Shock conditions for relativistic MHD jets Shock conditions for relativistic MHD jets

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...206..258a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 206, no. 2, Nov. 1988, p. 258-268.

Astronomy and Astrophysics

Astronomy

40

Extragalactic Radio Sources, Plasma Jets, Radio Jets (Astronomy), Relativistic Plasmas, Shock Waves, Mach Number, Magnetic Fields, Magnetohydrodynamic Flow, Magnetohydrodynamic Stability, Particle Acceleration, Shock Fronts

Scientific paper

The physical properties of MHD shocks associated with relativistic magnetized jets are discussed using a one-fluid approximation. The influence of the energy and pressure of the relativistic suprathermal component on the shock structure is neglected. The characteristic speeds found in relativistic plasmas are reviewed, and the shock relations are derived from relativistic MHD. All the postshock physical quantities are expressed in terms of the compression ratio. Numerical solutions of the postshock quantities are presented for perpendicular shocks and for the realistic parameter set found in extragalactic jets. Some applications of these results to hot spots in extragalactic radio sources are examined.

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