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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 102, Issue 3, Pages 202–210 (Mi jetpl4699)  

CONDENSED MATTER

Gyrosolitons and helical surfing diffusion of impurity atoms in reactor fuel materials

O. A. Dubovsky, V. A. Semenov, A. V. Orlov

Leipunsky Institute of Physics and Power Engineering, pl. Bondarenko 1, Obninsk, Kaluga region, 249033, Russia

Abstract: Fundamentally new gyrosolitons with helical trajectories of motion have been revealed in UO$_2$ and PuO$_2$ reactor fuel materials by the computer simulation of the microdynamics of high-amplitude atomic vibrations. The phonon spectra of nanostructures, as well as of gyrotropic materials, include quasioptical branches with different-sign linear dispersion. The corresponding branches of gyrosolitons have been revealed on the phase plane in the spectral density of vibrations. The main dynamic event of the kinetic process of helical surfing diffusion of impurity atoms on gyrosolitons has been observed.

DOI: https://doi.org/10.7868/S0370274X15150084

Full text: PDF file (953 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 102:3, 176–183

Bibliographic databases:

Received: 01.04.2015
Revised: 30.06.2015

Citation: O. A. Dubovsky, V. A. Semenov, A. V. Orlov, “Gyrosolitons and helical surfing diffusion of impurity atoms in reactor fuel materials”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:3 (2015), 202–210; JETP Letters, 102:3 (2015), 176–183

Citation in format AMSBIB
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\paper Gyrosolitons and helical surfing diffusion of impurity atoms in reactor fuel materials
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\vol 102
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