166 citations · 329 across the 10 of their papers we have counts for
4 papers · 1 filter
The impact of astrophysical dust grains on the confinement of cosmic rays
Jonathan Squire, Philip F Hopkins, Eliot Quataert +1
We argue that charged dust grains could significantly impact the confinement and transport of galactic cosmic rays. For sub-GeV to ~1000GeV cosmic rays, small-scale parallel Alfvén…
Small-Scale Dynamo in Stably Stratified Turbulence
Valentin Skoutnev, Jonathan Squire, Amitava Bhattacharjee
We present numerical investigations into three principal properties of the small-scale dynamo in stably stratified turbulence: the onset criterion, the growth rate, and the nature…
Physical models of streaming instabilities in protoplanetary disks
Jonathan Squire, Philip F. Hopkins
We develop simple, physically motivated models for drag-induced dust-gas streaming instabilities, which are thought to be crucial for clumping grains to form planetesimals in proto…
In-situ switchback formation in the expanding solar wind
Jonathan Squire, Benjamin D. G. Chandran, Romain Meyrand
Recent near-sun solar-wind observations from Parker Solar Probe have found a highly dynamic magnetic environment, permeated by abrupt radial-field reversals, or "switchbacks." We s…