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

Zhou, C.; Hutchinson, I. H.

doi:10.7910/DVN/NUY27R

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

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Abstract

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:

Zhou, C.; Hutchinson, I. H.

OSTI

Publication Date:: Tue Feb 22 04:00:00 UTC 2022

DOE Contract Number:: SC0010491

Research Org.:: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

OSTI Identifier:: 1887780

DOI:: https://doi.org/10.7910/DVN/NUY27R

Citation Formats


                    Zhou, C., and Hutchinson, I. H. Plasma electron hole kinematics. Hole tracking Particle-In-Cell simulation.  United States: N. p., 2022. 
        Web.  doi:10.7910/DVN/NUY27R.

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                    Zhou, C., & Hutchinson, I. H. Plasma electron hole kinematics. Hole tracking Particle-In-Cell simulation.  United States.  doi:https://doi.org/10.7910/DVN/NUY27R

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                    Zhou, C., and Hutchinson, I. H. 2022.  
"Plasma electron hole kinematics. Hole tracking Particle-In-Cell simulation".  United States.  doi:https://doi.org/10.7910/DVN/NUY27R.  https://www.osti.gov/servlets/purl/1887780. Pub date:Tue Feb 22 04:00:00 UTC 2022

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@article{osti_1887780,

  title        = {Plasma electron hole kinematics. Hole tracking Particle-In-Cell simulation},

  author       = {Zhou, C. and Hutchinson, I. H.},

  abstractNote = {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          = {10.7910/DVN/NUY27R},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Feb 22 04:00:00 UTC 2022},

  month        = {Tue Feb 22 04:00:00 UTC 2022}

}

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DOI: https://doi.org/10.7910/DVN/NUY27R

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