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

Title: Linear theory of electron-plasma waves at arbitrary collisionality

Journal Article · · Journal of Plasma Physics
ORCiD logo [1];  [2];  [2];  [3];  [2]; ORCiD logo [4];  [2];  [5]
  1. Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland); University of Lisbon (Portugal)
  2. Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland)
  3. Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland); Politecnico di Milano (Italy)
  4. Massachusetts Institute of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center
  5. University of Lisbon (Portugal)

We report the dynamics of electron-plasma waves is described at arbitrary collisionality by considering the full Coulomb collision operator. The description is based on a Hermite–Laguerre decomposition of the velocity dependence of the electron distribution function. The damping rate, frequency and eigenmode spectrum of electron-plasma waves are found as functions of the collision frequency and wavelength. A comparison is made between the collisionless Landau damping limit, the Lenard–Bernstein and Dougherty collision operators and the electron–ion collision operator, finding large deviations in the damping rates and eigenmode spectra. A purely damped entropy mode, characteristic of a plasma where pitch-angle scattering effects are dominant with respect to collisionless effects, is shown to emerge numerically, and its dispersion relation is analytically derived. It is shown that such a mode is absent when simplified collision operators are used, and that like-particle collisions strongly influence the damping rate of the entropy mode.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); Swiss National Science Foundation (SNSF); Euratom Research and Training Programme; Portuguese Fundação para a Ciência e Tecnologia
Grant/Contract Number:
FG02-91ER54109; 633053; PD/BD/105979/2014; PD/00505/2012
OSTI ID:
1610181
Journal Information:
Journal of Plasma Physics, Vol. 85, Issue 2; ISSN 0022-3778
Publisher:
Cambridge University PressCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 10 works
Citation information provided by
Web of Science

References (60)

Collisional losses of ring current ions journal January 1996
Triplet Correlation for a Plasma journal January 1965
Eigenvalue solution for the ion‐collisional effects on ion‐acoustic and entropy waves journal May 1993
Saturation of Gyrokinetic Turbulence through Damped Eigenmodes journal March 2011
Effect of electron collisions on ion‐acoustic waves and heat flow journal January 1994
Damping of ion-acoustic waves in the presence of electron-ion collisions journal September 1992
Model Fokker-Planck Equation for a Plasma and Its Solution journal January 1964
Solving 0 = F(t, y(t), y′(t)) in Matlab journal January 2002
New velocity-space discretization for continuum kinetic calculations and Fokker–Planck collisions journal June 2013
Evidence and concepts for non-local transport journal December 1997
Connecting Collisionless Landau Fluid Closures to Collisional Plasma Physics Models: Connecting Collisionless Landau Fluid Closures to Collisional Plasma Physics Models journal July 2016
Exact linearized Coulomb collision operator in the moment expansion journal October 2006
Krook collisional models of the kinetic susceptibility of plasmas journal July 2002
Theory of Plasma Oscillations. A. Origin of Medium-Like Behavior journal June 1949
Dispersion of Electron Plasma Waves journal July 1966
A drift-kinetic analytical model for scrape-off layer plasma dynamics at arbitrary collisionality journal November 2017
On Landau Damping journal January 1961
Nonlinear Frequency Shift of an Electron Plasma Wave journal February 1972
Explicit formulas for computing Bernoulli numbers of the second kind and Stirling numbers of the first kind journal January 2014
Viriato : A Fourier–Hermite spectral code for strongly magnetized fluid–kinetic plasma dynamics journal September 2016
New Closures for More Precise Modeling of Landau Damping in the Fluid Framework journal September 2018
Full- f version of GENE for turbulence in open-field-line systems journal June 2018
A 5D gyrokinetic full- f global semi-Lagrangian code for flux-driven ion turbulence simulations journal October 2016
On Landau damping journal January 2011
Developments in the gyrofluid approach to Tokamak turbulence simulations journal August 1993
Reduced fluid-kinetic equations for low-frequency dynamics, magnetic reconnection, and electron heating in low-beta plasmas journal October 2011
Ion-collisional effects on ion-acoustic waves: an eigenvalue technique via moment expansion journal March 2000
Fluid moment models for Landau damping with application to the ion-temperature-gradient instability journal June 1990
Principles of Plasma Discharges and Materials Processing book January 2005
Asymptotic Development of the Stirling Numbers of the First Kind journal April 1958
Efficient Computation of the Complex Error Function journal March 1970
Longitudinal plasma oscillations journal January 1960
Gyrokinetic continuum simulation of turbulence in a straight open-field-line plasma journal May 2017
Kinetic microtearing modes and reconnecting modes in strongly magnetised slab plasmas journal April 2015
Phase mixing versus nonlinear advection in drift-kinetic plasma turbulence journal April 2016
Tokamak edge turbulence: background theory and computation journal June 2007
Validation studies of gyrokinetic ITG and TEM turbulence simulations in a JT-60U tokamak using multiple flux matching journal July 2016
Theory of the Drift-Wave Instability at Arbitrary Collisionality journal October 2018
Fluid models of phase mixing, Landau damping, and nonlinear gyrokinetic dynamics journal March 1992
Linear signatures in nonlinear gyrokinetics: interpreting turbulence with pseudospectra journal July 2016
Vlasov simulations of electron-ion collision effects on damping of electron plasma waves journal March 2016
The physics basis for ignition using indirect-drive targets on the National Ignition Facility journal February 2004
Role of stable eigenmodes in saturated local plasma turbulence journal February 2006
Kinetic calculation of neoclassical transport including self-consistent electron and impurity dynamics journal July 2008
Trapped-Particle Instability Leading to Bursting in Stimulated Raman Scattering Simulations journal September 2004
Plasma Oscillations with Diffusion in Velocity Space journal December 1958
Complete Spectrum of Kinetic Eigenmodes for Plasma Oscillations in a Weakly Collisional Plasma journal February 2004
Laguerre–Hermite pseudo-spectral velocity formulation of gyrokinetics journal January 2018
Kinetic Simulations of the Self-Focusing and Dissipation of Finite-Width Electron Plasma Waves journal September 2013
Kinetic Eigenmodes and Discrete Spectrum of Plasma Oscillations in a Weakly Collisional Plasma journal September 1999
Aspects of linear Landau damping in discretized systems journal February 2013
On Landau damping text January 2009
New velocity-space discretization for continuum kinetic calculations and Fokker-Planck collisions text January 2012
Explicit formulas for computing Bernoulli numbers of the second kind and Stirling numbers of the first kind text January 2013
Phase mixing vs. nonlinear advection in drift-kinetic plasma turbulence text January 2015
Gyrokinetic continuum simulation of turbulence in a straight open-field-line plasma text January 2017
Laguerre-Hermite Pseudo-Spectral Velocity Formulation of Gyrokinetics text January 2017
Theory of the Drift-Wave Instability at Arbitrary Collisionality text January 2018
Electrostatic Response of a Two-Component Plasma with Coulomb Collisions journal May 2012
Stirling numbers of the second kind journal March 1958

Cited By (2)

Electron skin depth in low density plasmas journal January 2020
Shocks and phase space vortices driven by a density jump between two clouds of electrons and protons journal December 2019

Similar Records

Linear Theory of Electron-Plasma Waves at Arbitrary Collisionality
Dataset · Tue Dec 04 00:00:00 EST 2018 · OSTI ID:1610181

A drift-kinetic analytical model for scrape-off layer plasma dynamics at arbitrary collisionality
Journal Article · Mon Nov 20 00:00:00 EST 2017 · Journal of Plasma Physics · OSTI ID:1610181

Theory of the Drift-Wave Instability at Arbitrary Collisionality
Dataset · Fri Jan 04 00:00:00 EST 2019 · OSTI ID:1610181