Matches in SemOpenAlex for { <https://semopenalex.org/work/W3101417314> ?p ?o ?g. }
- W3101417314 endingPage "78" @default.
- W3101417314 startingPage "78" @default.
- W3101417314 abstract "The transport of the energy contained in electrons, both thermal and suprathermal, in solar flares plays a key role in our understanding of many aspects of the flare phenomenon, from the spatial distribution of hard X-ray emission to global energetics. Motivated by recent RHESSI observations that point to the existence of a mechanism that confines electrons to the coronal parts of flare loops more effectively than Coulomb collisions, we here consider the impact of pitch-angle scattering off turbulent magnetic fluctuations on the parallel transport of electrons in flaring coronal loops. It is shown that the presence of such a scattering mechanism in addition to Coulomb collisional scattering can significantly reduce the parallel thermal and electrical conductivities relative to their collisional values. We provide illustrative expressions for the resulting thermoelectric coefficients that relate the thermal flux and electrical current density to the temperature gradient and the applied electric field. We then evaluate the effect of these modified transport coefficients on the flare coronal temperature that can be attained, on the post-impulsive-phase cooling of heated coronal plasma, and on the importance of the beam-neutralizing return current on both ambient heating and the energy loss rate of accelerated electrons. We also discuss the possible ways in which anomalous transport processes have an impact on the required overall energy associated with accelerated electrons in solar flares." @default.
- W3101417314 created "2020-11-23" @default.
- W3101417314 creator A5029418190 @default.
- W3101417314 creator A5034953452 @default.
- W3101417314 creator A5053563913 @default.
- W3101417314 date "2016-06-15" @default.
- W3101417314 modified "2023-10-16" @default.
- W3101417314 title "SUPPRESSION OF PARALLEL TRANSPORT IN TURBULENT MAGNETIZED PLASMAS AND ITS IMPACT ON THE NON-THERMAL AND THERMAL ASPECTS OF SOLAR FLARES" @default.
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- W3101417314 doi "https://doi.org/10.3847/0004-637x/824/2/78" @default.