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A model for grand minima and geomagnetic reversals

Published online by Cambridge University Press:  05 July 2012

D. D. Sokoloff ,
G. S. Sobko ,
V. I. Trukhin  and
V. N. Zadkov
D. D. Sokoloff
Affiliation:
Department of Physics, Moscow State University, 119991, Moscow, Russia email: d_sokoloff@hotmail.com
G. S. Sobko
Affiliation:
Department of Physics, Moscow State University, 119991, Moscow, Russiasobko@physics.msu.ru
V. I. Trukhin
Affiliation:
Department of Physics, Moscow State University, 119991, Moscow, Russiadean@phys.msu.ru
V. N. Zadkov
Affiliation:
Department of Physics, Moscow State University, 119991, Moscow, Russiazadkov@phys.msu.ru
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Abstract

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We suggest a simple dynamical system which mimics a nonlinear dynamo which is able to provide (in specific domains of its parametric space) the temporal evolution of solar magnetic activity cycles as well as evolution of geomagnetic field including its polarity reversals. A qualitative explanation for the physical nature of both phenomena is presented and discussed.

Keywords

Sun: activityEarthmagnetic fieldssunspots
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S286: Comparative Magnetic Minima: Characterizing quiet times in the Sun and Stars , October 2011 , pp. 360 - 366
Copyright
Copyright © International Astronomical Union 2012

References

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