Abstract
GigaGauss (GG), and even multi-GG magnetic fields are expected to be developed during relativistic laser-plasma interactions. Sub-GG magnetic fields were previously measured by a method using the self-generated harmonics of the laser frequency, and the fact that the magnetized plasma is birefringent and/or optically active depending on the propagation direction of the electromagnetic wave. In the present short communication, we outline an idea for a method of measuring GG magnetic fields based on the phenomenon of Langmuir-wave-caused dips (L-dips) in X-ray line profiles. The L-dips were observed in several experimental spectroscopic studies of relativistic laser-plasma interactions. Ultrastrong magnetic fields affect the separation of the L-dips from one another, so that this relative shift can be used to measure such fields.
Highlights
GigaGauss (GG), and even multi-GG magnetic fields are expected to be developed during relativistic laser-plasma interactions
In an earlier experiment [5,6], magnetic fields up to B ~0.4 GG were measured at the incident irradiation intensity up to I = 9 × 1019 W/cm2, by a method using the self-generated harmonics of the laser frequency and the fact that the magnetized plasma is birefringent and/or optically active depending on the propagation direction of the electromagnetic wave
In the present short communication, we propose a method for measuring GG magnetic fields based on the phenomenon of Langmuir-wave-cased dips (L-dips) in X-ray line profiles
Summary
GigaGauss (GG), and even multi-GG magnetic fields are expected to be developed during relativistic laser-plasma interactions. In the present short communication, we propose a method for measuring GG magnetic fields based on the phenomenon of Langmuir-wave-cased dips (L-dips) in X-ray line profiles. In paper [12], for the specific case of the one-quantum resonance (s = 1) in hydrogen atoms (Zr = 1), Gavrilenko generalized Equations (4) and (5) for the situation where there is a magnetic field B in plasmas.
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