Stochastic fluctuations of the solar dynamo

Details Stochastic fluctuations of the solar dynamo Stochastic fluctuations of the solar dynamo

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...253..277c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 253, no. 1, Jan. 1992, p. 277-285. Research supported by ISRO.

Astronomy and Astrophysics

Astrophysics

65

Dynamo Theory, Magnetohydrodynamics, Solar Activity, Solar Cycles, Solar Magnetic Field, Irregularities, Mathematical Models, Nonlinear Feedback, Plasma Slabs, Stochastic Processes

Scientific paper

The solar dynamo equations are presently solved in a slab with a single mode, taking the alpha-coefficient to be constant in space, but fluctuating stochastically in time with given amplitude and correlation time. Choudhuri's (1990) contention that the solar dynamo is of the alpha-squared(omega) type is reinforced by the solar behavior's qualitative agreement with such a dynamo's level of irregularities, which increase with rising amplitude or correlation time of stochastic fluctuations.

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