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Linear Instabilities Driven by Differential Rotation in Very Weakly Magnetized Plasmas
Eliot Quataert, Tobias Heinemann, Anatoly Spitkovsky
We study the linear stability of weakly magnetized differentially rotating plasmas in both collisionless kinetic theory and Braginskii's theory of collisional, magnetized plasmas.…
The interplay of disk wind and dynamical ejecta in the aftermath of neutron star - black hole mergers
Rodrigo Fernández, Eliot Quataert, Josiah Schwab +2
We explore the evolution of the different ejecta components generated during the merger of a neutron star (NS) and a black hole (BH). Our focus is the interplay between material ej…
Numerical Simulations of Internal Wave Generation by Convection in Water
Daniel Lecoanet, Michael Le Bars, Keaton J. Burns +4
Water's density maximum at 4C makes it well suited to study internal gravity wave excitation by convection: an increasing temperature profile is unstable to convection below 4C, bu…
Outflows from accretion disks formed in neutron star mergers: effect of black hole spin
Rodrigo Fernández, Daniel Kasen, Brian D. Metzger +1
The accretion disk that forms after a neutron star merger is a source of neutron-rich ejecta. The ejected material contributes to a radioactively-powered electromagnetic transient,…
Magnetized Gas Clouds can Survive Acceleration by a Hot Wind
Michael McCourt, Ryan M. O'Leary, Ann-Marie Madigan +1
We present three-dimensional magnetohydrodynamic simulations of magnetized gas clouds accelerated by hot winds. We initialize gas clouds with tangled internal magnetic fields and s…
Supernova Feedback in an Inhomogeneous Interstellar Medium
Davide Martizzi, Claude-Andre Faucher-Giguere, Eliot Quataert
Supernova (SN) feedback is one of the key processes shaping the interstellar medium (ISM) of galaxies. SNe contribute to (and in some cases may dominate) driving turbulence in the…