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Khrapak, Sergey (2020) Reduction of the Coulomb logarithm due to electron-neutral collisions. Physical Review E, 101, 061202. American Physical Society. doi: 10.1103/PhysRevE.101.061202. ISSN 2470-0045.
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Offizielle URL: https://journals.aps.org/pre/abstract/10.1103/PhysRevE.101.061202
Kurzfassung
The frictional force (stopping power) acting on a test electron moving through an ideal electron gas is calculated by taking into account electron-neutral atom collisions using the linear plasma response formalism. This allows us to elucidate how the effective Coulomb logarithm is affected by electron-neutral collisions. In agreement with a recent investigation by Hagelaar, Donko, and Dyatko [Phys. Rev. Lett. 123, 025004 (2019)], we observe that the effective Coulomb logarithm decreases considerably due to electron-neutral collisions and becomes inversely proportional to the collision frequency in the highly collisional limit.
| elib-URL des Eintrags: | https://elib.dlr.de/136250/ | ||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||
| Titel: | Reduction of the Coulomb logarithm due to electron-neutral collisions | ||||||||
| Autoren: |
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| Datum: | 12 Juni 2020 | ||||||||
| Erschienen in: | Physical Review E | ||||||||
| Referierte Publikation: | Ja | ||||||||
| Open Access: | Ja | ||||||||
| Gold Open Access: | Nein | ||||||||
| In SCOPUS: | Ja | ||||||||
| In ISI Web of Science: | Ja | ||||||||
| Band: | 101 | ||||||||
| DOI: | 10.1103/PhysRevE.101.061202 | ||||||||
| Seitenbereich: | 061202 | ||||||||
| Verlag: | American Physical Society | ||||||||
| ISSN: | 2470-0045 | ||||||||
| Status: | veröffentlicht | ||||||||
| Stichwörter: | plasma transport, electron transport, Coulomb logarithm, collisional plasma, Coulomb scattering, ion drag force | ||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||
| HGF - Programm: | Raumfahrt | ||||||||
| HGF - Programmthema: | Forschung unter Weltraumbedingungen | ||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||
| DLR - Forschungsgebiet: | R FR - Forschung unter Weltraumbedingungen | ||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Komplexe Plasmen / Theorie, Simulation (alt) | ||||||||
| Standort: | Oberpfaffenhofen | ||||||||
| Institute & Einrichtungen: | Institut für Materialphysik im Weltraum > Gruppe Komplexe Plasmen | ||||||||
| Hinterlegt von: | Khrapak, Sergey | ||||||||
| Hinterlegt am: | 02 Okt 2020 09:24 | ||||||||
| Letzte Änderung: | 27 Okt 2023 14:10 |
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