Electromagnetic drift waves in nonuniform quantum magnetized electron positron ion plasmas

Details Electromagnetic drift waves in nonuniform quantum magnetized electron positron ion plasmas Electromagnetic drift waves in nonuniform quantum magnetized electron positron ion plasmas

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jpha...41k5501r&link_type=abstract

Journal of Physics A: Mathematical and Theoretical, Volume 41, Issue 11, pp. 115501 (2008).

Physics

9

Scientific paper

Electromagnetic drift waves in a nonuniform quantum magnetized electron positron ion (EPI) plasma are studied. By using the quantum hydrodynamic equations with magnetic fields of the Wigner Maxwell system, we obtained a new dispersion relation in which ions' motions are not considered. The positrons component (featured by the parameter ξ), density gradient of electrons, and of positrons are shown to have a significant impact on the dispersion relation. Our results should be relevant to dense astrophysical objects, e.g. white dwarf and pulsar magnetospheres, as well as low-temperature laboratory EPI plasmas.

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