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Elucidating plasma ...
Elucidating plasma dynamics in Hasegawa-Wakatani turbulence by information geometry
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- Anderson, Johan, 1973 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kim, Eun Jin (författare)
- University of Sheffield,Coventry University
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- Hnat, Bogdan (författare)
- The University of Warwick
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- Rafiq, T (författare)
- Lehigh University
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(creator_code:org_t)
- AIP Publishing, 2020
- 2020
- Engelska.
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Ingår i: Physics of Plasmas. - : AIP Publishing. - 1089-7674 .- 1070-664X. ; 27:2
- Relaterad länk:
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http://arxiv.org/pdf...
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https://doi.org/10.1...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Transportteknik och logistik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Transport Systems and Logistics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Matematik -- Sannolikhetsteori och statistik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Probability Theory and Statistics (hsv//eng)
Nyckelord
- Plasma diagnostics
- Distribution functions
- Turbulence
- Magnetohydrodynamics
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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