Transverse force induced by a magnetized wake

  title={Transverse force induced by a magnetized wake},
  author={Trevor Lafleur and Scott D. Baalrud},
  journal={Plasma Physics and Controlled Fusion},
The force on a test charge moving through a strongly magnetized plasma is calculated using linear response theory. Strong magnetization is found to generate a component of the force perpendicular to the velocity of the particle in the plane formed by the velocity and magnetic field vectors. This transverse force is generated by an asymmetry with respect to the velocity vector in the induced electrostatic wake potential that is associated with the action of the Lorentz force on the background… 

Friction in a strongly magnetized neutral plasma

A charged projectile generates an electrostatic wake as it moves through a background plasma. This wake normally gives rise to a drag force that acts antiparallel to the velocity vector of the

Friction force in strongly magnetized plasmas.

It is shown that the relative magnitude of the transverse component increases with plasma coupling strength, which influences single-particle motion and macroscopic transport in strongly magnetized plasmas found in a broad range of applications.

Barkas effect in strongly magnetized plasmas

Strongly magnetized plasmas, which are characterized by the particle gyrofrequency exceeding the plasma frequency, exhibit novel transport properties. For example, recent work showed that the

A Kinetic Model of Friction in Strongly Coupled Strongly Magnetized Plasmas

  • L. JoseS. Baalrud
  • Physics
    2022 IEEE International Conference on Plasma Science (ICOPS)
  • 2022
Novel transport properties exhibited by plasmas that are strongly magnetized in the sense that the gyrofrequency exceeds the plasma frequency are not well understood. Recent works studying weakly

A generalized Boltzmann kinetic theory for strongly magnetized plasmas with application to friction

Coulomb collisions in plasmas are typically modeled using the Boltzmann collision operator, or its variants, which apply to weakly magnetized plasmas in which the typical gyroradius of particles

dc electrical conductivity in strongly magnetized plasmas

A generalized Ohm’s law is derived to treat strongly magnetized plasmas in which the electron gyrofrequency significantly exceeds the electron plasma frequency. The frictional drag due to Coulomb

Transport coefficients for magnetic-field evolution in inviscid magnetohydrodynamics

The magnetized resistivity and electrothermal tensors when substituted into the induction equation lead to electrothermal magnetic field generation, resistive magnetic diffusion, and magnetic field

Stopping Power Modulation by Pump Waves of Charged Particles Moving above Two-Dimensional Electron Gases

<jats:p>The perturbation electron density and stopping power caused by the movement of charged particles above two-dimensional quantum electron gases (2DQEG) have been studied in numerous works using

Extended space and time correlations in strongly magnetized plasmas

Molecular dynamics simulations are used to show that strong magnetization significantly increases the space and time scales associated with interparticle correlations. The physical mechanism



Transverse magnetic field influence on wakefield in complex plasmas

We present the results of an investigation of the wakefield around a stationary charged grain in an external magnetic field with non-zero transverse component with respect to the ion flow direction.

Experiments on wake structures behind a microparticle in a magnetized plasma flow

The wake behind a spherical microparticle in a magnetized ion flow is studied experimentally by analyzing the arrangement of a pair of particles. It is shown that there are two stable particle

Numerical simulations of a dust grain in a flowing magnetized plasma

The effect of an external magnetic field on the formation of the wake in the potential distribution behind a dust grain is studied with self-consistent Particle-In-Cell numerical simulations. The

Stopping power for arbitrary angle between test particle velocity and magnetic field

Using the longitudinal dielectric function derived previously for charged test particles in helical movement around magnetic field lines, the numerical convergence of the series involved is found and

Stopping power of ions in a magnetized two-temperature plasma.

Using the dielectric theory for a weakly coupled plasma, it is found that the usually velocity independent friction coefficient contains an anomalous term which diverges logarithmically as the projectile velocity approaches zero.

Electron velocity distribution instability in magnetized plasma wakes and artificial electron mass

[1] The wake behind a large object (such as the moon) moving rapidly through a plasma (such as the solar wind) contains a region of depleted density, into which the plasma expands along the magnetic

The electrostatic wake of a superthermal test electron in a magnetized plasma

The electrostatic potential is determined for a test electron with v∥ ≫ vTe in a uniform magnetized plasma (ωce ≫ ωpe). In the frame of the test electron, part of the spatially oscillatory potential

Wake effects of a stationary charged grain in streaming magnetized ions.

It is shown that the magnetic field suppresses the amplitude of the wake potential and modifies the ion density distribution substantially and the accumulation of ions near the dust grain in the transverse direction takes place for the subsonic, sonic, and supersonic regime.

Stopping Power of Ions in a Magnetized Plasma: Binary Collision Formulatio

In this chapter, we investigate the stopping power of an ion in a magnetized electron plasma in a model of binary collisions (BCs) between ions and magnetized electrons, in which the two-body

Ultracold plasma expansion in a magnetic field.

The expansion of an ultracold plasma across the field lines of a uniform magnetic field is measured and it is observed that the expansion velocity scales as B(-1/2), explained by a nonlinear ambipolar diffusion model with anisotropic diffusion in two different directions.