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Title: Plasma electron hole kinematics. II. Hole tracking Particle-In-Cell simulation

Abstract

Here, the kinematics of a 1-D electron hole is studied using a novel Particle-In-Cell simulation code. A hole tracking technique enables us to follow the trajectory of a fast-moving solitary hole and study quantitatively hole acceleration and coupling to ions. We observe a transient at the initial stage of hole formation when the hole accelerates to several times the cold-ion sound speed. Artificially imposing slow ion speed changes on a fully formed hole causes its velocity to change even when the ion stream speed in the hole frame greatly exceeds the ion thermal speed, so there are no reflected ions. The behavior that we observe in numerical simulations agrees very well with our analytic theory of hole momentum conservation and the effects of “jetting.”

Authors:
 [1]; ORCiD logo [1]
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  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); National Science Foundation (NSF)
OSTI Identifier:
1467859
Alternate Identifier(s):
OSTI ID: 1280201
Grant/Contract Number:  
SC0010491
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 23; Journal Issue: 8; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 97 MATHEMATICS AND COMPUTING; Maxwell equations; kinematics; spatial dimensions; speed of sound; low pass filters; electron hole plasma; boundary value problems; conservation of momentum; electric fields; particle-in-cell method

Citation Formats

Zhou, C., and Hutchinson, I. H. Plasma electron hole kinematics. II. Hole tracking Particle-In-Cell simulation. United States: N. p., 2016. Web. doi:10.1063/1.4959871.
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Zhou, C., & Hutchinson, I. H. Plasma electron hole kinematics. II. Hole tracking Particle-In-Cell simulation. United States. https://doi.org/10.1063/1.4959871
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Zhou, C., and Hutchinson, I. H. Tue . "Plasma electron hole kinematics. II. Hole tracking Particle-In-Cell simulation". United States. https://doi.org/10.1063/1.4959871. https://www.osti.gov/servlets/purl/1467859.
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@article{osti_1467859,
title = {Plasma electron hole kinematics. II. Hole tracking Particle-In-Cell simulation},
author = {Zhou, C. and Hutchinson, I. H.},
abstractNote = {Here, the kinematics of a 1-D electron hole is studied using a novel Particle-In-Cell simulation code. A hole tracking technique enables us to follow the trajectory of a fast-moving solitary hole and study quantitatively hole acceleration and coupling to ions. We observe a transient at the initial stage of hole formation when the hole accelerates to several times the cold-ion sound speed. Artificially imposing slow ion speed changes on a fully formed hole causes its velocity to change even when the ion stream speed in the hole frame greatly exceeds the ion thermal speed, so there are no reflected ions. The behavior that we observe in numerical simulations agrees very well with our analytic theory of hole momentum conservation and the effects of “jetting.”},
doi = {10.1063/1.4959871},
journal = {Physics of Plasmas},
number = 8,
volume = 23,
place = {United States},
year = {Tue Aug 02 00:00:00 EDT 2016},
month = {Tue Aug 02 00:00:00 EDT 2016}
}
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https://doi.org/10.1063/1.4959871
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Cited by: 17 works
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    Works referencing / citing this record:

    Electron holes in phase space: What they are and why they matter
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    Evolution of electron phase space holes in inhomogeneous plasmas
    journal, June 2017

    • Vasko, I. Y.; Kuzichev, I. V.; Agapitov, O. V.
    • Physics of Plasmas, Vol. 24, Issue 6
    • DOI: 10.1063/1.4989717

    A study of the stability properties of Sagdeev solutions in the ion-acoustic regime using kinetic simulations
    journal, July 2018

    • Hosseini Jenab, S. M.; Spanier, F.; Brodin, G.
    • Physics of Plasmas, Vol. 25, Issue 7
    • DOI: 10.1063/1.5036764

    Ultra slow electron holes in collisionless plasmas: Stability at high ion temperature
    journal, February 2020

    • Mandal, Debraj; Sharma, Devendra; Schamel, Hans
    • Physics of Plasmas, Vol. 27, Issue 2
    • DOI: 10.1063/1.5121530
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