Abstract
The emission of electromagnetic waves by a straight edge dislocation moving in ionic crystals with a NaCl-type lattice has been investigated theoretically. It is shown that the motion of a dislocation in the ionic lattice results in the appearance of a specific alternative polarization current, generated by uncompensated valence bonds along the edge of the extra plane of a dislocation. For a dislocation moving with a constant average velocity V, the frequency of this current is of the order of ω ~ 2πV/b, where b is Burgers vector. The fax of electromagnetic energy in the far field and the radiation friction force acting per unit length of the dislocation line are calculated. The emission of electromagnetic waves by an edge dislocation oscillating in the glide plane as well as by dislocation moving with a constant average acceleration is studied.
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