Endre søk
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Slow electron holes in multicomponent plasmas
Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen.
Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen.
Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen.ORCID-id: 0000-0002-1046-746X
Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen.
Vise andre og tillknytning
2015 (engelsk)Inngår i: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 42, nr 18, s. 7264-7272Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Electrostatic solitary waves (ESWs), often interpreted as electron phase space holes, are commonly observed in plasmas and are manifestations of strongly nonlinear processes. Often slow ESWs are observed, suggesting generation by the Buneman instability. The instability criteria, however, are generally not satisfied. We show how slow electron holes can be generated by a modified Buneman instability in a plasma that includes a slow electron beam on top of a warm thermal electron background. This lowers the required current for marginal instability and allows for generation of slow electron holes for a wide range of beam parameters that covers expected plasma distributions in space, for example, in magnetic reconnection regions. At higher beam speeds, the electron-electron beam instability becomes dominant instead, producing faster electron holes. The range of phase speeds for this model is consistent with a statistical set of observations at the magnetopause made by Cluster.

sted, utgiver, år, opplag, sider
2015. Vol. 42, nr 18, s. 7264-7272
Emneord [en]
Multi-component plasma, Modified Buneman instability, Ion-electron instability, Slow electron holes
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-253558DOI: 10.1002/2015GL065390ISI: 000363412400004Scopus ID: 2-s2.0-84945218399OAI: oai:DiVA.org:kth-253558DiVA, id: diva2:1325435
Forskningsfinansiär
Swedish Research Council, 23/12:2
Merknad

QC 20190617

Tilgjengelig fra: 2019-06-15 Laget: 2019-06-15 Sist oppdatert: 2019-06-17bibliografisk kontrollert

Open Access i DiVA

Fulltekst mangler i DiVA

Andre lenker

Forlagets fulltekstScopus

Personposter BETA

Norgren, CeciliaAndré, MatsGraham, Daniel. B.Khotyaintsev, Yuri. V.Vaivads, Andris

Søk i DiVA

Av forfatter/redaktør
Norgren, CeciliaAndré, MatsGraham, Daniel. B.Khotyaintsev, Yuri. V.Vaivads, Andris
I samme tidsskrift
Geophysical Research Letters

Søk utenfor DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric

doi
urn-nbn
Totalt: 1 treff
RefereraExporteraLink to record
Permanent link

Direct link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf