Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry

Johan  Anderson; Eun-jin  Kim; Bogdan  Hnat; Tariq  Rafiq

doi:10.1063/1.5122865

Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry

Johan Anderson, Eun-jin Kim, Bogdan Hnat, Tariq Rafiq

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

87 Downloads (Pure)

Abstract

The impact of adiabatic electrons on drift-wave turbulence, modeled by the Hasegawa-Wakatani equations, is studied using information length. Information length is a novel theoretical method for measuring distances between statistical states represented by different probability distribution functions (PDFs) along the path of a system and represents the total number of statistically different states that a system evolves through in time. Specifically, the time-dependent PDFs of turbulent fluctuations for a given adiabatic index A are computed. The changes in fluctuation statistics are then quantified in time by using information length. The numerical results provide time traces exhibiting intermittent plasma dynamics, and such behavior is identified by a rapid change in the information length. The effects of A are discussed.

Original language	English
Article number	022307
Number of pages	9
Journal	Physics of Plasmas
Volume	27
Issue number	2
Early online date	7 Feb 2020
DOIs	https://doi.org/10.1063/1.5122865
Publication status	Published - 7 Feb 2020

Bibliographical note

This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Anderson, J, Kim, E, Hnat, B & Rafiq, T 2020, 'Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry', Physics of Plasmas, vol. 27, no. 2, 022307 and may be found at https://dx.doi.org/10.1063/1.5122865

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Funder

U.S. DOE Grants DE-SC0013977 and DE-FG02-92ER54141.

ASJC Scopus subject areas

Condensed Matter Physics

Access to Document

10.1063/1.5122865

Post-PrintAccepted author manuscript, 1.34 MB

Cite this

@article{9cf9110741b4498eb0f30ae712e172af,

title = "Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry",

abstract = "The impact of adiabatic electrons on drift-wave turbulence, modeled by the Hasegawa-Wakatani equations, is studied using information length. Information length is a novel theoretical method for measuring distances between statistical states represented by different probability distribution functions (PDFs) along the path of a system and represents the total number of statistically different states that a system evolves through in time. Specifically, the time-dependent PDFs of turbulent fluctuations for a given adiabatic index A are computed. The changes in fluctuation statistics are then quantified in time by using information length. The numerical results provide time traces exhibiting intermittent plasma dynamics, and such behavior is identified by a rapid change in the information length. The effects of A are discussed.",

author = "Johan Anderson and Eun-jin Kim and Bogdan Hnat and Tariq Rafiq",

note = "This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Anderson, J, Kim, E, Hnat, B & Rafiq, T 2020, 'Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry', Physics of Plasmas, vol. 27, no. 2, 022307 and may be found at https://dx.doi.org/10.1063/1.5122865 Copyright {\textcopyright} and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders. ",

year = "2020",

month = feb,

day = "7",

doi = "10.1063/1.5122865",

language = "English",

volume = "27",

journal = "Physics of Plasmas",

issn = "1070-664X",

publisher = "AIP Publishing",

number = "2",

}

TY - JOUR

T1 - Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry

AU - Anderson, Johan

AU - Kim, Eun-jin

AU - Hnat, Bogdan

AU - Rafiq, Tariq

N1 - This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Anderson, J, Kim, E, Hnat, B & Rafiq, T 2020, 'Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry', Physics of Plasmas, vol. 27, no. 2, 022307 and may be found at https://dx.doi.org/10.1063/1.5122865 Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

PY - 2020/2/7

Y1 - 2020/2/7

N2 - The impact of adiabatic electrons on drift-wave turbulence, modeled by the Hasegawa-Wakatani equations, is studied using information length. Information length is a novel theoretical method for measuring distances between statistical states represented by different probability distribution functions (PDFs) along the path of a system and represents the total number of statistically different states that a system evolves through in time. Specifically, the time-dependent PDFs of turbulent fluctuations for a given adiabatic index A are computed. The changes in fluctuation statistics are then quantified in time by using information length. The numerical results provide time traces exhibiting intermittent plasma dynamics, and such behavior is identified by a rapid change in the information length. The effects of A are discussed.

AB - The impact of adiabatic electrons on drift-wave turbulence, modeled by the Hasegawa-Wakatani equations, is studied using information length. Information length is a novel theoretical method for measuring distances between statistical states represented by different probability distribution functions (PDFs) along the path of a system and represents the total number of statistically different states that a system evolves through in time. Specifically, the time-dependent PDFs of turbulent fluctuations for a given adiabatic index A are computed. The changes in fluctuation statistics are then quantified in time by using information length. The numerical results provide time traces exhibiting intermittent plasma dynamics, and such behavior is identified by a rapid change in the information length. The effects of A are discussed.

UR - http://www.scopus.com/inward/record.url?scp=85079477612&partnerID=8YFLogxK

U2 - 10.1063/1.5122865

DO - 10.1063/1.5122865

M3 - Article

SN - 1070-664X

VL - 27

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 2

M1 - 022307

ER -

Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry

Abstract

Bibliographical note

Funder

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this