Radiation from particles moving in small-scale magnetic fields created in solid-density laser-plasma laboratory experiments
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Issue Date
2015-11-19Author
Keenan, Brett
Medvedev, Mikhail V.
Publisher
AIP Publishing
Type
Article
Article Version
Scholarly/refereed, publisher version
Rights
The following article appeared in Physics of Plasmas and may be found at dx.doi.org/10.1063/1.4928942
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Show full item recordAbstract
Plasmas created by high-intensity lasers are often subject to the formation of kinetic-streaming instabilities, such as the Weibel instability, which lead to the spontaneous generation of high-amplitude, tangled magnetic fields. These fields typically exist on small spatial scales, i.e., “sub-Larmor scales.” Radiation from charged particles moving through small-scale electromagnetic (EM) turbulence has spectral characteristics distinct from both synchrotron and cyclotron radiation, and it carries valuable information on the statistical properties of the EM field structure and evolution. Consequently, this radiation from laser-produced plasmas may offer insight into the underlying electromagnetic turbulence. Here, we investigate the prospects for, and demonstrate the feasibility of, such direct radiative diagnostics for mildly relativistic, solid-density laser plasmas produced in lab experiments.
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Citation
Keenan, B. D., & Medvedev, M. V. (2015). Radiation from particles moving in small-scale magnetic fields created in solid-density laser-plasma laboratory experiments. Physics of Plasmas (1994-present), 22(11), 113110.
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