35 citations · 295 across the 24 of their papers we have counts for
3 papers · 1 filter
A new constraint on mean-field galactic dynamo theory
Luke Chamandy, Nishant K. Singh
Appealing to an analytical result from mean-field theory, we show, using a generic galaxy model, that galactic dynamo action can be suppressed by small-scale magnetic fluctuations.…
Enhancement of small-scale turbulent dynamo by large-scale shear
Nishant K. Singh, Igor Rogachevskii, Axel Brandenburg
Small-scale dynamos are ubiquitous in a broad range of turbulent flows with large-scale shear, ranging from solar and galactic magnetism to accretion disks, cosmology and structure…
High-wavenumber solar -mode strengthening prior to active region formation
Nishant K. Singh, Harsha Raichur, Axel Brandenburg
We report a systematic strengthening of the local solar surface or fundamental -mode - days prior to the emergence of an active region (AR) in the same (corotating) locati…