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Modelling grand minima of solar activity using a flux transport dynamo model
Bidya Binay Karak, Arnab Rai Choudhuri
The occurrence of grand minima like the Maunder minimum is an intriguing aspect of the sunspot cycle. We use the flux transport dynamo model to explain the grand minima, showing th…
Flux Transport Dynamo coupled with a Fast Tachocline Scenario
Bidya Binay Karak, Kristof Petrovay
The tachocline is important in the solar dynamo for the generation and the storage of the magnetic fields. A most plausible explanation for the confinement of the tachocline is giv…
The origin of grand minima in the sunspot cycle
Arnab Rai Choudhuri, Bidya Binay Karak
One of the most striking aspects of the 11-year sunspot cycle is that there have been times in the past when some cycles went missing, a most well-known example of this being the M…
On the compatibility of a flux transport dynamo with a fast tachocline scenario
Bidya Binay Karak, Kristof Petrovay
The compatibility of the fast tachocline scenario with a flux transport dynamo model is explored. We employ a flux transport dynamo model coupled with simple feedback formulae rela…
Turbulent Pumping of Magnetic Flux Reduces Solar Cycle Memory and thus Impacts Predictability of the Sun's Activity
Bidya Binay Karak, Dibyendu Nandy
Prediction of the Sun's magnetic activity is important because of its effect on space environment and climate. However, recent efforts to predict the amplitude of the solar cycle h…
Modeling the irregularities of solar cycle using flux transport dynamo models
Bidya Binay Karak
The sunspot number varies roughly periodically with time. However the individual cycle durations and the amplitudes are found to vary in an irregular manner. It is observed that th…