The quantum effects of the spin and the Bohm potential in the oblique propagation of magnetosonic waves

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Abstract

We study the quantum corrections to the oblique propagation of the magnetosonic waves in a warm quantum magnetoplasma composed by mobile ions and electrons. We use a fluid formalism to include quantum corrections due to the Bohm potential and to the spin magnetization energy of electrons. The effects of both quantum corrections are shown in the dispersion relation for perpendicular, parallel and oblique propagation. We find that the quantum contributions to the low frequency depend on the type in the oblique propagation with respect to the background magnetic field. The relevance in astrophysical scenarios is exemplified.

Original languageEnglish
Pages (from-to)2496-2500
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume376
Issue number36
DOIs
StatePublished - 23 Jul 2012
Externally publishedYes

Keywords

  • Magnetosonic waves
  • Oblique propagation
  • Spin quantum plasmas

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