Study of Charge Transport in Magnetized Relativistic Plasma Using Kinetic Theory
Researchers solved the linearized Boltzmann equation for charge transport in a magnetized relativistic plasma, obtaining analytic solutions expressed in terms of Bessel functions. The work demonstrates that magnetic fields strongly suppress transverse diffusion (scaling as 1/B₀²) while leaving longitudinal diffusion unaffected. The findings advance understanding of fundamental plasma physics and have potential applications in astrophysics and high-energy physics contexts.
A new theoretical study examines charge transport in magnetized relativistic plasma by solving the kinetic Boltzmann equation within the relaxation-time approximation. The researchers derived exact analytic solutions for the distribution function and computed the complete set of retarded current-current correlators, verifying consistency with Ward identities. In the hydrodynamic limit, they identified charge diffusion modes and found that transverse diffusion is dramatically suppressed by the magnetic field with a 1/B₀² scaling in strong-field regimes, while longitudinal diffusion remains independent of field strength. The analysis also characterizes non-hydrodynamic branch cuts in the complex frequency plane, revealing underlying wave-particle interactions including longitudinal Landau damping and transverse cyclotron damping. These results provide fundamental insights into plasma behavior under extreme magnetic field conditions.
What different sources said
- arXiv physicsCenter
Retarded Correlators of Charge Transport in a Magnetic Field
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