skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Astrophysical particle acceleration mechanisms in colliding magnetized laser-produced plasmas

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4993204· OSTI ID:1440988
ORCiD logo [1];  [2]; ORCiD logo [2];  [3];  [2];  [4]
  1. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  2. Princeton Univ., Princeton, NJ (United States)
  3. Univ. of Michigan, Ann Arbor, MI (United States)
  4. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Princeton Univ., Princeton, NJ (United States)

Significant particle energization is observed to occur in numerous astrophysical environments, and in the standard models, this acceleration occurs alongside energy conversion processes including collisionless shocks or magnetic reconnection. Recent platforms for laboratory experiments using magnetized laser-produced plasmas have opened opportunities to study these particle acceleration processes in the laboratory. Through fully kinetic particle-in-cell simulations, we investigate acceleration mechanisms in experiments with colliding magnetized laser-produced plasmas, with geometry and parameters matched to recent high-Mach number reconnection experiments with externally controlled magnetic fields. 2-D simulations demonstrate significant particle acceleration with three phases of energization: first, a “direct” Fermi acceleration driven by approaching magnetized plumes; second, x-line acceleration during magnetic reconnection of anti-parallel fields; and finally, an additional Fermi energization of particles trapped in contracting and relaxing magnetic islands produced by reconnection. Furthermore, the relative effectiveness of these mechanisms depends on plasma and magnetic field parameters of the experiments.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
NA0002273; SC0008655; SC0016249
OSTI ID:
1440988
Alternate ID(s):
OSTI ID: 1374778
Journal Information:
Physics of Plasmas, Vol. 24, Issue 9; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

References (53)

Evidence for Electron Acceleration up to 300 k e V in the Magnetic Reconnection Diffusion Region of Earth’s Magnetotail journal October 2002
Reconnection in a Striped Pulsar Wind journal January 2001
Lepton Acceleration by Relativistic Collisionless Magnetic Reconnection journal March 2003
Note: Experimental platform for magnetized high-energy-density plasma studies at the omega laser facility journal January 2015
Laboratory observations of electron energization and associated lower-hybrid and Trivelpiece–Gould wave turbulence during magnetic reconnection journal July 2010
Relativistic Reconnection and Particle Acceleration journal September 2012
On the Origin of the Cosmic Radiation journal April 1949
First-order Fermi acceleration driven by magnetic reconnection: Fermi acceleration and magnetic reconnection journal March 2012
The mechanisms of electron heating and acceleration during magnetic reconnection journal September 2014
Reconnection-Powered Linear Accelerator and Gamma-Ray Flares in the crab Nebula journal August 2011
Particle acceleration in laser-driven magnetic reconnection journal April 2017
Electron acceleration in three-dimensional magnetic reconnection with a guide field journal October 2015
Magnetic reconnection in high-energy-density laser-produced plasmas journal May 2012
Observation of collisionless shocks in a large current-free laboratory plasma journal November 2014
Fast Magnetic Reconnection and Particle Acceleration in Relativistic Low-Density Electron-Positron Plasmas Without Guide Field journal April 2012
The Generation of Nonthermal Particles in the Relativistic Magnetic Reconnection of Pair Plasmas journal November 2001
Particle trajectories in model current sheets: 1. Analytical solutions journal September 1965
Particle-in-cell simulations of electron energization in laser-driven magnetic reconnection journal January 2016
Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows journal January 2015
Electron heating during magnetic reconnection: A simulation scaling study journal December 2014
Plasmoid Ejection and Secondary Current Sheet Generation from Magnetic Reconnection in Laser-Plasma Interaction journal May 2012
Fast Magnetic Reconnection in Laser-Produced Plasma Bubbles journal May 2011
Energetic electron generation by magnetic reconnection in laboratory laser-plasma interactions journal July 2012
Formation of super-Alfvénic electron jets during laser-driven magnetic reconnection at the Shenguang-II facility: particle-in-cell simulations journal August 2014
Stochastic electron acceleration during spontaneous turbulent reconnection in a strong shock wave journal February 2015
Magnetic Reconnection and Plasma Dynamics in Two-Beam Laser-Solid Interactions journal December 2006
Particle Acceleration in Relativistic Collisionless Shocks: Fermi Process at Last? journal July 2008
Electron acceleration from contracting magnetic islands during reconnection journal October 2006
Evidence for particle acceleration in a magnetized white dwarf from radio and gamma-ray observations journal February 1994
Detection of the Characteristic Pion-Decay Signature in Supernova Remnants journal February 2013
Formation of Hard Power Laws in the Energetic Particle Spectra Resulting from Relativistic Magnetic Reconnection journal October 2014
Non-thermal processes in large solar flares journal January 1976
Observation of energetic electrons within magnetic islands journal November 2007
The Power-Law Spectra of Energetic Particles During Multi-Island Magnetic Reconnection journal December 2012
Generation of Magnetic Fields in the Relativistic Shock of Gamma‐Ray Burst Sources journal December 1999
Filamentation Instability of Counterstreaming Laser-Driven Plasmas journal November 2013
NONTHERMALLY DOMINATED ELECTRON ACCELERATION DURING MAGNETIC RECONNECTION IN A LOW- β PLASMA journal September 2015
Magnetic reconnection journal March 2010
Nonthermal Electron Energization from Magnetic Reconnection in Laser-Driven Plasmas journal March 2016
Generation of Suprathermal Electrons during Magnetic Reconnection at the Sawtooth Crash and Disruption Instability in the T-10 Tokamak journal April 2001
The Plasma Simulation Code: A modern particle-in-cell code with patch-based load-balancing journal August 2016
Observation of Megagauss-Field Topology Changes due to Magnetic Reconnection in Laser-Produced Plasmas journal August 2007
Electron bulk heating in magnetic reconnection at Earth's magnetopause: Dependence on the inflow Alfvén speed and magnetic shear: ELECTRON BULK HEATING IN RECONNECTION journal September 2013
Magnetic Reconnection between Colliding Magnetized Laser-Produced Plasma Plumes journal September 2014
Evidence for Particle Acceleration in a Magnetized White Dwarf from Radio and Gamma-Ray Observations journal January 1994
Magnetic reconnection journal January 1984
On the Origin of the Cosmic Radiation journal September 1950
On the Origin of the Cosmic Radiation journal September 1951
Detection of the Characteristic Pion-Decay Signature in Supernova Remnants text January 2013
Generation of Suprathermal Electrons during Magnetic Reconnection at the Sawtooth Crash and Disruption Instability in the T-10 Tokamak text January 2001
Formation of Hard Power-laws in the Energetic Particle Spectra Resulting from Relativistic Magnetic Reconnection text January 2014
Non-Thermal Electron Energization from Magnetic Reconnection in Laser-Driven Plasmas text January 2016
Reconnection in a striped pulsar wind text January 2000

Cited By (5)


Figures / Tables (7)


Similar Records

Kinetic simulation of magnetic field generation and collisionless shock formation in expanding laboratory plasmas
Journal Article · Mon Oct 08 00:00:00 EDT 2018 · Physics of Plasmas · OSTI ID:1440988

Regimes of magnetic reconnection in colliding laser-produced magnetized plasma bubbles
Journal Article · Fri Sep 07 00:00:00 EDT 2018 · Physics of Plasmas · OSTI ID:1440988

Generation and Evolution of High-Mach-Number Laser-Driven Magnetized Collisionless Shocks in the Laboratory
Journal Article · Thu Jul 13 00:00:00 EDT 2017 · Physical Review Letters · OSTI ID:1440988