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Effect of bremsstra...
Effect of bremsstrahlung radiation emission on fast electrons in plasmas
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- Embréus, Ola, 1991 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Stahl, Adam, 1985 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fülöp, Tünde, 1970 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2016-09-09
- 2016
- Engelska.
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Ingår i: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 18:9, s. 093023-
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Abstract
Ämnesord
Stäng
- Bremsstrahlung radiation emission is an important energy loss mechanism for energetic electrons in plasmas. In this paper we investigate the effect of spontaneous bremsstrahlung emission on the momentum-space structure of the electron distribution, fully accounting for the emission of finite-energy photons. We find that electrons accelerated by electric fields can reach significantly higher energies than what is expected from energy-loss considerations. Furthermore, we show that the emission of soft photons can contribute significantly to the dynamics of electrons with an anisotropic distribution.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- Fokker-Planck equation
- runaway electrons
- Boltzmann equation
- bremsstrahlung
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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