5 papers
Quasistatic modeling of ultrarelativistic beam-plasma instabilities
P. San Miguel Claveria, L. Gremillet, X. Davoine +5
Relativistic particle beams propagating through dense ambient plasmas are susceptible to streaming instabilities that can govern the system dynamics in various astrophysical and la…
Modeling ultrarelativistic streaming plasma instabilities under the quasistatic approximation
P. San Miguel Claveria, Q. Labro, X. Davoine +5
Plasma streaming instabilities excited by relativistic charged particle beams play a pivotal role in astrophysical and laboratory environments. Their numerical study, however, is c…
Counter-streaming heat-flux closure for electron-only collisionless magnetic reconnection
Madox C. McGrae-Menge, Jacob R. Pierce, Maria Almanza +6
In electron-only collisionless magnetic reconnection (MR), a regime of growing importance in turbulent space plasmas, electrons develop strongly non-Maxwellian distributions that i…
Strong-field focusing of high-energy particles in beam-multifoil collisions
Aimé Matheron, Doug Storey, Max F. Gilljohann +25
Extreme beams of charged particles and photons, reaching ultrahigh densities or producing intense gamma-ray bursts, are central to accelerator physics, laboratory astrophysics, and…
Embedding physical symmetries into machine-learned reduced plasma physics models via data augmentation
Madox C. McGrae-Menge, Jacob R. Pierce, Frederico Fiuza +1
Machine learning is offering powerful new tools for the development and discovery of reduced models of nonlinear, multiscale plasma dynamics from the data of first-principles kinet…