Bibliography

Van Allen Probes Bibliography is from August 2012 through September 2021

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On the Connection Between Microbursts and Nonlinear Electronic Structures in Planetary Radiation Belts

Author	Osmane, Adnane; , Lynn; Blum, Lauren; Pulkkinen, Tuija;
Keywords	acceleration of particles; Earth; Plasmas; relativistic processes; solar\textendashterrestrial relations; Van Allen Probes; waves
Abstract	Using a dynamical-system approach, we have investigated the efficiency of large-amplitude whistler waves for causing microburst precipitation in planetary radiation belts by modeling the microburst energy and particle fluxes produced as a result of nonlinear wave\textendashparticle interactions. We show that wave parameters, consistent with large-amplitude oblique whistlers, can commonly generate microbursts of electrons with hundreds of keV-energies as a result of Landau trapping. Relativistic microbursts (>1 MeV) can also be generated by a similar mechanism, but require waves with large propagation angles $\theta _kB\gt 50^\circ $ and phase-speeds $v_\rm\Phi \geqslant c/9$. Using our result for precipitating density and energy fluxes, we argue that holes in the distribution function of electrons near the magnetic mirror point can result in the generation of double layers and electron solitary holes consistent in scales (of the order of Debye lengths) to nonlinear structures observed in the radiation belts by the Van Allen Probes. Our results indicate a relationship between nonlinear electrostatic and electromagnetic structures in the dynamics of planetary radiation belts and their role in the cyclical production of energetic electrons ($E\geqslant 100$ keV) on kinetic timescales, which is much faster than previously inferred.
Year of Publication	2016
Journal	The Astrophysical Journal
Volume	816
Number of Pages	51
Section
Date Published	01/2016
ISBN
URL	http://stacks.iop.org/0004-637X/816/i=2/a=51?key=crossref.70d237eeae19ada88cf791dd9ba676be
DOI	10.3847/0004-637X/816/2/51