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Plasma physics

Plasma physics

Electrons ‘surf’ on Alfvén waves in plasma-chamber experiments

22 Jun 2021
Electrons being accelerated
Alfvén accelerator: artist’s illustration of how Alfvén waves in Earth’s magnetic field can accelerate the electrons responsible for intense auroras. (Courtesy: Austin Montelius/University of Iowa)
For the first time, experiments have clearly shown how powerful Alfvén waves in the Earth’s magne

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