954 citations · 4.5k across the 64 of their papers we have counts for
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Galactic and Accretion Disk Dynamos
Ethan T. Vishniac
Dynamos in astrophysical disks are usually explained in terms of the standard alpha-omega mean field dynamo model where the local helicity generates a radial field component from a…
Reconnection in a Weakly Stochastic Field
A. Lazarian, E. T. Vishniac
We examine the effect of weak, small scale magnetic field structure on the rate of reconnection in a strongly magnetized plasma. This affects the rate of reconnection by reducing t…
Reconnection via the Tearing Instability
A. Lazarian, Ethan T. Vishniac
We discuss the role of tearing instabilities in magnetic reconnection. In three dimensions this instability leads to the formation of strong Alfvenic waves that remove plasma effic…
Disk Instabilities and Cooling Fronts
Ethan T. Vishniac
Accretion disk outbursts, and their subsequent decline, offer a unique opportunity to constrain the physics of angular momentum transport in hot accretion disks. Recent work has ce…