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Purely growing electromagnetic mode driven by ion-temperature anisotropy in a collisional plasma
Umeå University, Faculty of Science and Technology, Department of Physics. Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany; School of Physics, University of KwaZulu-Natal, Durban 4000, South Africa; Nonlinear Physics Centre & Centre for Plasma Science and Astrophysics, Ruhr-Universität Bochum, D-44780 Bochum, Germany; Max-Planck-Institut für extraterrestrische Physik, D-85741 Garching, Germany; Grupo de Lasers e Plasmas, Departamento de Física do Instituto Superior Técnico, Universidade Técnica de Lisboa, 1049-001 Lisboa, Portugal; CCLRC Centre for Fundamental Physics, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon 0X11 0QX, UK; SUPA Department of Physics, University of Strathclyde, Glasgow G 40NG, UK.
2007 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 370, no 3-4, 316-318 p.Article in journal (Refereed) PublishedText
Abstract [en]

We derive a linear dispersion relation for plane polarized electromagnetic waves in an unmagnetized collisional plasma containing ion-temperature anisotropy. It is found that the free energy stored in the latter can be coupled to a purely growing electromagnetic mode via electron-neutral collisions. Expressions for the growth rate and the corresponding threshold of our new instability are presented.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2007. Vol. 370, no 3-4, 316-318 p.
Keyword [en]
magnetic-field generation, Weibel instability, scenarios, shock
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:umu:diva-118188DOI: 10.1016/j.physleta.2007.05.064ISI: 000250591700022OAI: diva2:920637
Available from: 2016-04-18 Created: 2016-03-14 Last updated: 2016-04-18Bibliographically approved

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Shukla, Padma Kant
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