1983
DOI: 10.1002/pssb.2221170140
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Low‐temperature fluctuational motion of dislocations in crystals I. Quantum and dissipative effects

Abstract: A mechanism underlying fluctuational bending of dislocation segments is considered which is based on periodical ordering in the thermal motion of atoms near the dislocation core. Basic principles of calculating the probability of dislocation unpinning from local obstacles due to the fluctuations are formulated. As found, the interaction of dislocation segments experiencing fluctuational bending with phonons and/or conduction electrons, described in the framework of the usual dissipation model, can result in a … Show more

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