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Three-dimensional electrostatic waves in a nonuniform quantum electron–positron magnetoplasma
Ruhr-Universität Bochum, D-44780 Bochum, Germany.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2008 (English)In: Physics Letters A, ISSN 0375-9601, Vol. 372, no 19, 3471-3475 p.Article in journal (Refereed) Published
Abstract [en]

The dispersion properties of three-dimensional electrostatic waves in a nonuniform quantum electron–positron magnetoplasma are examined. A new dispersion relation is derived using the electron and positron densities response arising from the balance between the quantum Bohm and electrostatic forces, and from the electron and positron continuity and Poisson equations. In the local approximation regime, the dispersion relation admits both oscillatory and purely growing instabilities those depend on the quantum parameters as well as the density, velocity and magnetic field inhomogeneities.

Place, publisher, year, edition, pages
2008. Vol. 372, no 19, 3471-3475 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-20849DOI: 10.1016/j.physleta.2007.09.080OAI: oai:DiVA.org:umu-20849DiVA: diva2:209741
Available from: 2009-03-26 Created: 2009-03-26 Last updated: 2013-02-04Bibliographically approved

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Shukla, Padma Kant

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