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Radiation reaction ...
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Hirvijoki, Eero,1985Chalmers tekniska högskola,Chalmers University of Technology
(author)
Radiation reaction induced non-monotonic features in runaway electron distributions
- Article/chapterEnglish2015
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LIBRIS-ID:oai:research.chalmers.se:17366a06-903e-4901-b297-ced7b27de24d
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https://research.chalmers.se/publication/213445URI
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https://doi.org/10.1017/S0022377815000513DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Runaway electrons, which are generated in a plasma where the induced electric field exceeds acertain critical value, can reach very high energies in the MeV range. For such energetic electrons,radiative losses will contribute significantly to the momentum space dynamics. Under certainconditions, due to radiative momentum losses, a non-monotonic feature – a “bump” – can formin the runaway electron tail, creating a potential for bump-on-tail-type instabilities to arise. Herewe study the conditions for the existence of the bump. We derive an analytical threshold conditionfor bump appearance and give an approximate expression for the minimum energy at which thebump can appear. Numerical calculations are performed to support the analytical derivations.
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Pusztai, Istvan,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)pusztai
(author)
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Decker, Joan,1977Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)(Swepub:cth)dejoan
(author)
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Embréus, Ola,1991Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)embreus
(author)
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Stahl, Adam,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)stahla
(author)
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Fülöp, Tünde,1970Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tunde
(author)
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Chalmers tekniska högskolaEcole Polytechnique Federale de Lausanne (EPFL)
(creator_code:org_t)
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In:Journal of Plasma Physics81:5, s. 475810502-0022-37781469-7807
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Hirvijoki, Eero, ...
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Pusztai, Istvan, ...
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Decker, Joan, 19 ...
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Embréus, Ola, 19 ...
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Stahl, Adam, 198 ...
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Fülöp, Tünde, 19 ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Chalmers University of Technology