315 citations · 1.7k across the 44 of their papers we have counts for
31 papers · 1 filter
On the control of electron heating for optimal laser radiation pressure ion acceleration
H. -G. Jason Chou, Anna Grassi, Siegfried H. Glenzer +1
We study the onset of electron heating in intense laser-solid interactions and its impact on the spectral quality of radiation pressure accelerated ions in both hole boring and lig…
Probing strong-field QED in beam-plasma collisions
A. Matheron, P. San Miguel Claveria, R. Ariniello +21
Ongoing progress in laser and accelerator technology opens new possibilities in high-field science, notably to investigate the largely unexplored strong-field quantum electrodynami…
Radiation pressure acceleration of high-quality ion beams using ultrashort laser pulses
H. -G. Jason Chou, Anna Grassi, Siegfried H. Glenzer +1
The generation of compact, high-energy ion beams is one of the most promising applications of intense laser-matter interactions, but the control of the beam spectral quality remain…
Extended particle absorber for efficient modeling of intense laser-solid interactions
Kyle G. Miller, Joshua May, Frederico Fiuza +1
An extended thermal particle boundary condition is devised to more efficiently and accurately model laser-plasma interactions in overdense plasmas. Particle-in-cell simulations of…
Spatiotemporal dynamics of ultrarelativistic beam-plasma instabilities
P. San Miguel Claveria, X. Davoine, J. R. Peterson +28
An electron or electron-positron beam streaming through a plasma is notoriously prone to micro-instabilities. For a dilute ultrarelativistic infinite beam, the dominant instability…
Efficient generation of turbulent collisionless shocks in laser-ablated counter-streaming plasmas
Anna Grassi, Frederico Fiuza
Laser-ablated high-energy-density (HED) plasmas offer a promising route to study astrophysically relevant processes underlying collisionless shock formation, magnetic field amplifi…
MP3 White Paper 2021 -- Research Opportunities Enabled by Co-locating Multi-Petawatt Lasers with Dense Ultra-Relativistic Electron Beams
Sebastian Meuren, David A. Reis, Roger Blandford +11
Novel emergent phenomena are expected to occur under conditions exceeding the QED critical electric field, where the vacuum becomes unstable to electron-positron pair production. T…
Magnetic field amplification by a nonlinear electron streaming instability
J. R. Peterson, S. Glenzer, F. Fiuza
Magnetic field amplification by relativistic streaming plasma instabilities is central to a wide variety of high-energy astrophysical environments as well as to laboratory scenario…
Numerical heating in particle-in-cell simulations with Monte Carlo binary collisions
E. Paulo Alves, Warren B. Mori, Frederico Fiuza
The binary Monte Carlo (MC) collision algorithm is a standard and robust method to include binary Coulomb collision effects in particle-in-cell (PIC) simulations of plasmas. Here,…
Nonthermal electron and ion acceleration by magnetic reconnection in large laser-driven plasmas
Samuel Totorica, Masahiro Hoshino, Tom Abel +1
Magnetic reconnection is a fundamental plasma process that is thought to play a key role in the production of nonthermal particles associated with explosive phenomena in space phys…
Laser-driven neutron source from high temperature D-D fusion reactions
Xuejing Jiao, C. Curry, M. Gauthier +13
We report a laser-driven neutron source with high yield (/J) and high peak flux (/cm/s) derived from high-temperature deuteron-deuteron fusion reactions. The n…
Data-driven discovery of reduced plasma physics models from fully-kinetic simulations
E. Paulo Alves, Frederico Fiuza
At the core of some of the most important problems in plasma physics -- from controlled nuclear fusion to the acceleration of cosmic rays -- is the challenge to describe nonlinear,…
Extremely Dense Gamma-Ray Pulses in Electron Beam-Multifoil Collisions
Archana Sampath, Xavier Davoine, Sébastien Corde +26
Sources of high-energy photons have important applications in almost all areas of research. However, the photon flux and intensity of existing sources is strongly limited for photo…
Characterizing filamentary magnetic structures in counter-streaming plasmas by Fourier analysis of proton images
Joseph Levesque, Carolyn Kuranz, Timothy Handy +2
Proton imaging is a powerful tool for probing electromagnetic fields in a plasma, providing a path-integrated map of the field topology. However, in cases where the field structure…
Nonthermal ion acceleration by the kink instability in nonrelativistic jets
E. Paulo Alves, Jonathan Zrake, Frederico Fiuza
We investigate the self-consistent particle acceleration physics associated with the development of the kink instability (KI) in nonrelativistic, electron-ion plasma jets. Using 3D…
A channel for very high density matter-antimatter pair-jet production by intense laser-pulses
D. Del Sorbo, L. Antonelli, P. J. Davies +6
The mechanism of laser-driven relativistic pair-jet production qualitatively changes as laser intensity exceeds W/cm because of the appearance of las…
Collisionless shock acceleration of narrow energy spread ion beams from mixed species plasmas using 1 m lasers
A. Pak, S. Kerr, N. Lemos +15
Collisionless shock acceleration of protons and C ions has been achieved by the interaction of a 10 W/cm, 1 m laser with a near-critical density plasma. Ablati…
On the Prospect of Studying Nonperturbative QED with Beam-Beam Collisions
V. Yakimenko, S. Meuren, F. Del Gaudio +8
We demonstrate the possibility of probing for the first time the fully nonperturbative regime of quantum electrodynamics. By using tightly compressed and focused electron beams in…
Disruption of current filaments and isotropization of magnetic field in counter-streaming plasmas
C. Ruyer, F. Fiuza
We study the stability of current filaments produced by the Weibel, or current filamentation, instability in weakly magnetized counter-streaming plasmas. It is shown that a resonan…
Ion acceleration in electrostatic collisionless shock: on the optimal density profile for quasi-monoenergetic beams
E. Boella, F. Fiúza, A. Stockem Novo +2
A numerical study on ion acceleration in electrostatic shock waves is presented, with the aim of determining the best plasma configuration to achieve quasi-monoenergetic ion beams…
Relativistic electron streaming instabilities modulate proton beams accelerated in laser-plasma interactions
S. Göde, C. Rödel, K. Zeil +16
We report experimental evidence that multi-MeV protons accelerated in relativistic laser-plasma interactions are modulated by strong filamentary electromagnetic fields. Modulations…
Laboratory evidence of dynamo amplification of magnetic fields in a turbulent plasma
P. Tzeferacos, A. Rigby, A. Bott +27
Magnetic fields are ubiquitous in the Universe. Extragalactic disks, halos and clusters have consistently been shown, via diffuse radio-synchrotron emission and Faraday rotation me…
Non-Thermal Electron Energization from Magnetic Reconnection in Laser-Driven Plasmas
Samuel Totorica, Tom Abel, Frederico Fiuza
The possibility of studying non-thermal electron energization in laser-driven plasma experiments of magnetic reconnection is studied using two- and three-dimensional particle-in-ce…
Elimination of the numerical Cerenkov instability for spectral EM-PIC codes
Peicheng Yu, Xinlu Xu, Viktor K. Decyk +7
When using an electromagnetic particle-in-cell (EM-PIC) code to simulate a relativistically drifting plasma, a violent numerical instability known as the numerical Cerenkov instabi…