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On the kinetic Alfven waves in nonrelativistic spin quantum plasmas
Umeå University, Faculty of Science and Technology, Department of Physics.
2013 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 377, no 34-36, 2131-2135 p.Article in journal (Refereed) Published
Abstract [en]

We have studied the effect of electron spin on the kinetic Alfven waves in the presence of uniform static magnetic field in an electron-ion plasma. We deduce that the usual kinetic Alfven waves are modified via spin quantum effects of electrons. The dimensionless parameters that determine the relative importance of the electron spin become prominent at higher densities. It is found that the kinetic Alfven wave frequency decreases due to the electron spin contribution in the kinetic limit while in the inertial limit they are almost unaffected in a hot magnetized plasma. 

Place, publisher, year, edition, pages
2013. Vol. 377, no 34-36, 2131-2135 p.
Keyword [en]
Kinetic Alfven wave, Electron spin, Magnetic dipole force
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-80417DOI: 10.1016/j.physleta.2013.06.034ISI: 000323015500028OAI: oai:DiVA.org:umu-80417DiVA: diva2:650804
Available from: 2013-09-23 Created: 2013-09-17 Last updated: 2017-12-06Bibliographically approved

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