Fast Charged Particles and Super-Strong Magnetic Fields Generated by Intense Laser Target Interaction

Belyaev, V. S.; Матафонов, А. П.

doi:10.5772/24850

Femtosecond-Scale Optics 2011

DOI: 10.5772/24850

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Fast Charged Particles and Super-Strong Magnetic Fields Generated by Intense Laser Target Interaction

V. S. Belyaev¹,

А. П. Матафонов²

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Cited by 2 publications

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“…These fields should be localized at the surface of the relativistic critical density-see, e.g., review [1] and references therein. In particular, according to Equation (11) from paper [2], the maximum magnetic field B max is related to the laser intensity I as follows:…”

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confidence: 99%

X-ray Spectroscopy Based Diagnostic of GigaGauss Magnetic Fields during Relativistic Laser-Plasma Interactions

Dalimier

Oks

2018

Atoms

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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.

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X-ray Spectroscopy Based Diagnostic of GigaGauss Magnetic Fields during Relativistic Laser-Plasma Interactions

Dalimier

Oks

2018

Atoms

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Review of recent analytical advances in the spectroscopy of hydrogenic lines in plasmas

Oks,

Dalimier,

Angelo

et al. 2024

Open Physics

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Broadening of hydrogenic spectral lines is an important tool in spectroscopic diagnostics of various laboratory and astrophysical plasmas. We review recent analytical advances in three areas. First, we review the analytical solution for the splitting of hydrogenic lines under the combination of a circularly polarized electromagnetic wave with a strong magnetic field. Practical applications of this solution relate to the spectroscopic diagnostic of the electron cyclotron waves and to the relativistic laser–plasma interactions. Second, we review analytical results concerning the Stark–Zeeman broadening of the Lyman-alpha (Ly-alpha) line in plasmas. These results allow for the Stark width of the Ly-alpha π-component to be used for the experimental determination of the ion density or of the root-mean-square field of a low-frequency electrostatic plasma turbulence in the situation where the Zeeman effect dominates over the Stark effects. Third, we review recent analytical advances in the area of the intra-Stark spectroscopy: three different new methods, based on the emergent phenomenon of the Langmuir-wave-caused structures (“L-dips”) in the line profiles, for measuring super-strong magnetic fields of the GigaGauss range developing during relativistic laser–plasma interactions. We also review the rich physics behind the L-dips phenomenon – because there was a confusion in the literature in this regard.

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Fast Charged Particles and Super-Strong Magnetic Fields Generated by Intense Laser Target Interaction

Cited by 2 publications

References 55 publications

X-ray Spectroscopy Based Diagnostic of GigaGauss Magnetic Fields during Relativistic Laser-Plasma Interactions

X-ray Spectroscopy Based Diagnostic of GigaGauss Magnetic Fields during Relativistic Laser-Plasma Interactions

Review of recent analytical advances in the spectroscopy of hydrogenic lines in plasmas

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