Generation Of Superstrong Quasi-Stationary Magnetic Fields In Laser Cluster Plasma
QUANTUM ELECTRONICS(2021)
Abstract
An analytical model has been developed for the generation of a superstrong quasi-stationary magnetic field (up to several GG) in the focal waist of an ultra-intense short circularly polarised laser pulse interacting with a gas-cluster target. The rotation of relativistic electrons around the ionised core of the cluster has been shown to produce a magnetic moment and a quasi-stationary magnetic field. With a large number of nanoclusters, the magnetic field occupies the entire focal volume with a characteristic spatial scale of tens of micrometers and exists during the cluster expansion time ( i.e., several picoseconds).
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Key words
superstrong quasi-stationary magnetic field, nanoclusters, superintense laser interaction
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