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Title: Normal-mode-based analysis of electron plasma waves with second-order Hermitian formalism

Abstract

The classic problem of the dynamic evolution and Landau damping of linear Langmuir electron waves in a collisionless plasma with Maxwellian background is cast as a second-order, self-adjoint problem with a continuum spectrum of real and positive squared frequencies. The corresponding complete basis of singular normal modes is obtained, along with their orthogonality relation. This yields easily the general expression of the time-reversal-invariant solution for any initial-value problem. Examples are then given for specific initial conditions that illustrate different behaviors of the Landau-damped macroscopic moments of the perturbations.

Authors:
 [1]; ORCiD logo [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); Oak Ridge Inst. for Science and Education (ORISE), Oak Ridge, TN (United States); Oak Ridge Associated Universities (ORAU)
OSTI Identifier:
1423935
Alternate Identifier(s):
OSTI ID: 1423914
Grant/Contract Number:  
FG02-91ER54109; SC0014664
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 25; Journal Issue: 3; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Linear acoustics; Maxwell equations; Classical field theory; Linear algebra; Hilbert space; Algebras; Acoustic waves; Computational methods; Classical electromagnetism; Plasma simulation

Citation Formats

Ramos, J. J., and White, R. L. Normal-mode-based analysis of electron plasma waves with second-order Hermitian formalism. United States: N. p., 2018. Web. doi:10.1063/1.5020794.
Ramos, J. J., & White, R. L. Normal-mode-based analysis of electron plasma waves with second-order Hermitian formalism. United States. https://doi.org/10.1063/1.5020794
Ramos, J. J., and White, R. L. 2018. "Normal-mode-based analysis of electron plasma waves with second-order Hermitian formalism". United States. https://doi.org/10.1063/1.5020794. https://www.osti.gov/servlets/purl/1423935.
@article{osti_1423935,
title = {Normal-mode-based analysis of electron plasma waves with second-order Hermitian formalism},
author = {Ramos, J. J. and White, R. L.},
abstractNote = {The classic problem of the dynamic evolution and Landau damping of linear Langmuir electron waves in a collisionless plasma with Maxwellian background is cast as a second-order, self-adjoint problem with a continuum spectrum of real and positive squared frequencies. The corresponding complete basis of singular normal modes is obtained, along with their orthogonality relation. This yields easily the general expression of the time-reversal-invariant solution for any initial-value problem. Examples are then given for specific initial conditions that illustrate different behaviors of the Landau-damped macroscopic moments of the perturbations.},
doi = {10.1063/1.5020794},
url = {https://www.osti.gov/biblio/1423935}, journal = {Physics of Plasmas},
issn = {1070-664X},
number = 3,
volume = 25,
place = {United States},
year = {Thu Mar 01 00:00:00 EST 2018},
month = {Thu Mar 01 00:00:00 EST 2018}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 3 works
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Works referenced in this record:

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Longitudinal sound waves in a collisionless, quasineutral plasma
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Microscopic dynamics of plasmas and chaos: the wave–particle interaction paradigm
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Landau and non-Landau linear damping: Physics of the dissipation
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Plasma oscillations
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Landau and Non-Landau Linear Damping: Physics of the Dissipation
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Plasma oscillations
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Works referencing / citing this record:

Normal-mode-based theory of collisionless plasma waves
journal, July 2019