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Temperature-dependent Saturation of Weibel-type Instabilities in Counter-streaming Plasmas

Journal Article · · The Astrophysical Journal. Letters (Online)
 [1];  [2];  [3];  [4]
  1. Princeton Univ., Princeton, NJ (United States); Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  2. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
  3. Univ. of Maryland, College Park, MD (United States)
  4. Princeton Univ., Princeton, NJ (United States)
We present the first 2X2V continuum Vlasov–Maxwell simulations of interpenetrating, unmagnetized plasmas to study the competition between two-stream, Oblique, and filamentation modes in the weakly relativistic regime. We find that after nonlinear saturation of the fastest-growing two-stream and Oblique modes, the effective temperature anisotropy, which drives current filament formation via the secular Weibel instability, has a strong dependence on the internal temperature of the counter-streaming plasmas. The effective temperature anisotropy is significantly more reduced in colder than in hotter plasmas, leading to orders of magnitude lower magnetization for colder plasmas. Here, a strong dependence of the energy conversion efficiency of Weibel-type instabilities on internal beam temperature has implications for determining their contribution to the observed magnetization of many astrophysical and laboratory plasmas.
Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-09CH11466
OSTI ID:
1498787
Journal Information:
The Astrophysical Journal. Letters (Online), Journal Name: The Astrophysical Journal. Letters (Online) Journal Issue: 2 Vol. 872; ISSN 2041-8213
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

References (33)

The Serendipity Family of Finite Elements journal March 2011
Discontinuous Galerkin algorithms for fully kinetic plasmas journal January 2018
Simulation studies of the magnetic field generation in cosmological plasmas journal September 2004
Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows journal January 2015
Intergalactic shock acceleration and the cosmic gamma-ray background journal November 2002
Three-dimensional Weibel instability in astrophysical scenarios journal May 2003
Nonlinear Development of Electromagnetic Instabilities in Anisotropic Plasmas journal January 1972
Mechanism for Instability of Transverse Plasma Waves journal January 1959
Nonlinear saturation of the Weibel instability journal November 2017
Generation of Magnetic Fields in the Relativistic Shock of Gamma‐Ray Burst Sources journal December 1999
Generation of a Small-Scale Quasi-Static Magnetic Field and Fast Particles during the Collision of Electron-Positron Plasma Clouds journal May 1998
Particle Acceleration in Relativistic Jets Due to Weibel Instability journal September 2003
Interpenetrating Plasma Shells: Near-Equipartition Magnetic Field Generation and Nonthermal Particle Acceleration journal September 2003
Cosmological Magnetic Field Generation by the Weibel Instability journal December 2003
Magnetic Field Generation in Collisionless Shocks: Pattern Growth and Transport journal May 2004
Non-Fermi Power-Law Acceleration in Astrophysical Plasma Shocks journal November 2004
Particle Acceleration and Magnetic Field Generation in Electron‐Positron Relativistic Shocks journal April 2005
Nonrelativistic Collisionless Shocks in Unmagnetized Electron-Ion Plasmas journal June 2008
Cosmological Effects of Weibel-Type Instabilities journal March 2009
Weibel, Two-Stream, Filamentation, Oblique, Bell, Buneman...Which one Grows Faster? journal June 2009
Electron Heating in a Relativistic, Weibel-Unstable Plasma journal June 2015
Kinetic saturation of the Weibel instability in a collisionless plasma journal June 1998
Filamentation Instability of Counterstreaming Laser-Driven Plasmas journal November 2013
Spontaneously Growing Transverse Waves in a Plasma Due to an Anisotropic Velocity Distribution journal February 1959
Magnetic Field Saturation of the Ion Weibel Instability in Interpenetrating Relativistic Plasmas journal June 2018
Weibel, Two-Stream, Filamentation, Oblique, Bell, Buneman... which one grows faster ? text January 2009
The serendipity family of finite elements text January 2011
Electron Heating in a Relativistic, Weibel-Unstable Plasma preprint January 2015
Discontinuous Galerkin algorithms for fully kinetic plasmas text January 2017
Magnetic Field Saturation of the Ion Weibel Instability in Interpenetrating Relativistic Plasmas text January 2018
Inter-galactic Shock Acceleration and the Cosmic Gamma-ray Background text January 2002
Interpenetrating plasma shells: near-equipartition magnetic field generation and non-thermal particle acceleration text January 2003
Non-Fermi Power law Acceleration in Astrophysical Plasma Shocks text January 2004

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