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Effect of partially...
Effect of partially-screened nuclei on fast-electron dynamics
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- Hesslow, Linnea, 1993 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Embréus, Ola, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Stahl, Adam, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dubois, Timothy, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Papp, Gergely, 1985 (author)
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- Newton, Sarah, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fülöp, Tünde, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: Physical Review Letters. - 1079-7114 .- 0031-9007. ; 118:25, s. article no. 5501-
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Abstract
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- We analyze the dynamics of fast electrons in plasmas containing partially ionized impurity atoms, where the screening effect of bound electrons must be included. We derive analytical expressions for the deflection and slowing-down frequencies, and show that they are increased significantly compared to the results obtained with complete screening, already at sub-relativistic electron energies. Furthermore, we show that the modifications to the deflection and slowing down frequencies are of equal importance in describing the runaway current evolution. Our results greatly affect fast-electron dynamics and have important implications, e.g. for the efficacy of mitigation strategies for runaway electrons in tokamak devices, and energy loss during relativistic breakdown in atmospheric discharges.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
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- art (subject category)
- ref (subject category)
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Hesslow, Linnea, ...
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Embréus, Ola, 19 ...
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Stahl, Adam, 198 ...
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Dubois, Timothy, ...
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Papp, Gergely, 1 ...
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Newton, Sarah, 1 ...
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show more...
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Fülöp, Tünde, 19 ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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Physical Review ...
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Chalmers University of Technology