Nonequilibrium kinetics of the electron–phonon sybsystem of a crystal in a strong electric field as a base of the electroplastic effect

V. I. Karas, A. M. Vlasenko, V. I. Sokolenko, V. E. Zakharov

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We present the results of a kinetic analysis of nonequilibrium dynamics of the electron–phonon system of a crystal in a strong electric field based on the proposed method of numerically solving a set of Boltzmann equations for electron and phonon distribution functions without expanding the electron distribution function into a series in the phonon energy. It is shown that the electric field action excites the electron subsystem, which by transferring energy to the phonon subsystem creates a large amount of short-wave phonons that effectively influence the lattice defects (point, lines, boundaries of different phases), which results in a redistribution of and decrease in the lattice defect density, in damage healing, in a decrease in the local peak stress, and a decrease in the degradation level of the construction material properties.

Original languageEnglish (US)
Pages (from-to)499-508
Number of pages10
JournalJournal of Experimental and Theoretical Physics
Volume121
Issue number3
DOIs
StatePublished - Sep 1 2015
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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