Arbitrary amplitude magnetosonic solitary and shock structures in spin quantum plasma

A nonlinear analysis is carried out for the arbitrary amplitude magnetosonic solitary and shock structures in spin quantum plasmas. A quantum magnetohydrodynamic model is used to describe the magnetosonic quantum plasma with the Bohm potential and the pressure like spin force for electrons. Analytic...

Full description

Saved in:
Bibliographic Details
Published in:Physics of plasmas 2013-11, Vol.20 (11)
Main Authors: Sahu, Biswajit, Sinha, Anjana, Roychoudhury, Rajkumar, Khan, Manoranjan
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Amplitudes
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Computational fluid dynamics
Diffusivity
Dissipation
Electron spin
ELECTRONS
Fluid flow
MAGNETOACOUSTIC WAVES
Magnetohydrodynamics
Mathematical analysis
Mathematical models
Nonlinear analysis
NONLINEAR PROBLEMS
Nonlinearity
NUMERICAL ANALYSIS
Plasma physics
PLASMA POTENTIAL
PLASMA PRESSURE
PLASMA WAVES
Plasmas (physics)
QUANTUM PLASMA
SHOCK WAVES
SOLITONS
SPIN
ZEEMAN EFFECT
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A nonlinear analysis is carried out for the arbitrary amplitude magnetosonic solitary and shock structures in spin quantum plasmas. A quantum magnetohydrodynamic model is used to describe the magnetosonic quantum plasma with the Bohm potential and the pressure like spin force for electrons. Analytical calculations are used to simplify the basic equations, which are then studied numerically. It is shown that the magnetic diffusivity is responsible for dissipation, which causes the shock-like structures rather than the soliton structures. Additionally, wave speed, Zeeman energy, and Bohm potential are found to have significant impact on the shock wave structures.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4834497