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The effective electron emission yield from a spherical dust grain in magnetic field is quantified by Monte Carlo Simulations of electron trajectories in electric and magnetic fields. Consequences are discussed in the context of fusion-related applications.

aip.scitation.org
Magnetized electron emission from a small spherical dust grain in fusion related plasmas
The effect of magnetic field on the electron emission yield from a small spherical dust grain immersed in a plasma is investigated. It is demonstrated that, due to their gyromotion, some electrons can be promptly recollected on the grain's surface, which can reduce the emitted electron flux. The con...

A new kind of elongated whistler waves have been launched and investigated in a laboratory plasma. The launched waves do not exhibit oblique propagation but reveal a complex topology. This is explained using a physical model where electron inertia effects dominate

aip.scitation.org
Observations of elongated whistler waves in the inertial regime
Experimental observations of a new regime of whistler propagation in the laboratory are reported in this paper. The experiments are carried out in a large laboratory unbound uniform plasma with a density of ne ∼ 109–1011 cm−3 and a magnetic field of 1–20 G. Studies are performed in the e...
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