Speaker
Description
The problem of standing wave formation by superposing two counter-propagating whistler waves in
an overdense plasma, studied recently by Sano et al (2019 Phys. Rev. E 100, 053 205 and 2020 Phys. Rev.
E 101, 013 206), has been revisited in the relativistic limit. A detailed theory along with simulation has
been performed to study the standing wave formation in the interaction of two counter propagating
relativistically intense whistler waves. The relativistic theory explains such interaction process more
precisely and predicts correct field amplitudes of the standing wave for a much wider range of physical
parameters of the problem as compared to its non-relativistic counterpart. The analytical results are
compared with 1-D Particle-in-Cell (PIC) simulation results, performed using OSIRIS 4.0. The results
are of relevance to ion acceleration to high energy and heating.
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