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Investigate the onset and characteristics of shear instability within magnetized, collisional dusty plasmas.

June 1, 2012Physics of Plasmas

Shear instability in magnetized, collisional dusty plasmas

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Investigate the onset and characteristics of shear instability within magnetized, collisional dusty plasmas.
Analytically modeled wave perturbations in collisional dusty plasma containing magnetized electrons, ions, and charged dust grains.
Assessed the contributions of relative particle drift, the Hall effect, and ambient magnetic field strength to wave destabilization.
Demonstrated that relative drift between charged dust and magnetized electrons and ions drives a Hall effect critical to triggering shear instability.
Determined that the magnetic field acts to destabilize waves, contrasting with classical Kelvin-Helmholtz behavior.
Established that the maximum instability growth rate is proportional solely to the shear gradient, independent of magnetic field strength, with the most unstable wavenumber depending on dust parameters.

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Implication

Theoretical analysis reveals Hall-driven shear instability mechanisms in magnetized collisional dusty plasmas, indicating that magnetic fields actively destabilize plasma waves.

Cite This Study

Pandey et al. (2012) studied this question.

synapsesocial.com/papers/6a9241257c014fba2a43589f https://doi.org/10.1063/1.4729729

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Implication

Theoretical analysis reveals Hall-driven shear instability mechanisms in magnetized collisional dusty plasmas, indicating that magnetic fields actively destabilize plasma waves.

Shear instability in magnetized, collisional dusty plasmas

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Discussion

Implication

Cite This Study

Shear instability in magnetized, collisional dusty plasmas

Key Points

Discussion

Implication

Cite This Study

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