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Title: Quantum dust magnetosonic waves with spin and exchange correlation effects

Dust magnetosonic waves are studied in degenerate dusty plasmas with spin and exchange correlation effects. Using the fluid equations of magnetoplasma with quantum corrections due to the Bohm potential, temperature degeneracy, spin magnetization energy, and exchange correlation, a generalized dispersion relation is derived. Spin effects are incorporated via spin force and macroscopic spin magnetization current. The exchange-correlation potentials are used, based on the adiabatic local-density approximation, and can be described as a function of the electron density. For three different values of angle, the dispersion relation is reduced to three different modes under the low frequency magnetohydrodynamic assumptions. It is found that the effects of quantum corrections in the presence of dust concentration significantly modify the dispersive properties of these modes. The results are useful for understanding numerous collective phenomena in quantum plasmas, such as those in compact astrophysical objects (e.g., the cores of white dwarf stars and giant planets) and in plasma-assisted nanotechnology (e.g., quantum diodes, quantum free-electron lasers, etc.)
Authors:
;  [1] ;  [2] ;  [3]
  1. Department of Physics, University of Peshawar, Peshawar 25000 (Pakistan)
  2. Department of Physics, Abdul Wali Khan University, Mardan 23200 (Pakistan)
  3. (Pakistan)
Publication Date:
OSTI Identifier:
22493868
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 23; Journal Issue: 1; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ABUNDANCE; ASTROPHYSICS; BOHM CRITERION; CORRECTIONS; DISPERSION RELATIONS; ELECTRON DENSITY; EXCHANGE INTERACTIONS; FLOW MODELS; FREE ELECTRON LASERS; MAGNETIZATION; MAGNETOACOUSTIC WAVES; NANOTECHNOLOGY; PLANETS; POTENTIALS; QUANTUM PLASMA; SPIN; WHITE DWARF STARS