Strong surface magnetic field generation in relativistic short pulse laser-plasma interaction with an applied seed magnetic field
Kathleen Weichman,
Alexander P. L. Robinson,
Masakatsu Murakami
et al.
Abstract:While plasma often behaves diamagnetically, we demonstrate that the laser irradiation of a thin opaque target with an embedded target-transverse seed magnetic field B seed can trigger the generation of an order-of-magnitude stronger magnetic field with opposite sign at the target surface. Strong surface field generation occurs when the laser pulse is relativistically intense and results from the currents associated with the cyclotron rotation of laser-heated electrons transiting through the target and the comp… Show more
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