Nonlinear Waves in Magnetized Accretion Disks

Details Nonlinear Waves in Magnetized Accretion Disks Nonlinear Waves in Magnetized Accretion Disks

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995nyasa.773..277l&link_type=abstract

Waves in Astrophysics, vol. Volume 773, p. 277-284

Astronomy and Astrophysics

Astrophysics

Nonlinear Systems, Nonlinearity, Shock Waves, Accretion Disks, Time Dependence, Stellar Activity, Magnetic Disturbances, Synchrotron Radiation, Quasars

Scientific paper

Time-dependent accretion for a magnetized disk can exhibit short timescale outbursts of high-power jets associated with bursts of disk radiation. The burst of energy in jets can produce outward propagating disturbances in preexisting (+/- z) jet flows. the disturbances are strong and can be expected to steepen and form strong shock waves. The strong linear polarization (up to approximately 30%) and large polarization position angle changes (90 deg and more) seen in the optical outbursts of some quasars clearly indicate synchrotron radiation, and this component of the radiation is probably associated with the burst in jet energy in the present model.

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