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Equation of state effects and one-arm spiral instability in hypermassive neutron stars formed in eccentric neutron star mergers
William E. East, Vasileios Paschalidis, Frans Pretorius
We continue our investigations of the development and importance of the one-arm spiral instability in long-lived hypermassive neutron stars (HMNSs) formed in dynamical capture bina…
Spacetime Dynamics of a Higgs Vacuum Instability During Inflation
William E. East, John Kearney, Bibhushan Shakya +2
A remarkable prediction of the Standard Model is that, in the absence of corrections lifting the energy density, the Higgs potential becomes negative at large field values. If the…
Kinetic study of radiation-reaction-limited particle acceleration during the relaxation of unstable force-free equilibria
Yajie Yuan, Krzysztof Nalewajko, Jonathan Zrake +2
Many powerful and variable gamma-ray sources, including pulsar wind nebulae, active galactic nuclei and gamma-ray bursts, seem capable of accelerating particles to gamma-ray emitti…
Kinetic simulations of the lowest-order unstable mode of relativistic magnetostatic equilibria
Krzysztof Nalewajko, Jonathan Zrake, Yajie Yuan +2
We present the results of particle-in-cell numerical pair plasma simulations of relativistic 2D magnetostatic equilibria known as the 'ABC' fields. In particular, we focus on the l…