The relaxed state of a type of topological defect (screw dislocation) located in a dispersive (non-local) elastic solid is discussed from a viewpoint of gauge field theory. The starting point of this ...
Figure 1: Evolution of the critical resolved shear stress (CRSS) with temperature. Figure 2: Evolution with stress of the velocity of a ½<110> screw dislocation in MgO gliding in {110} at 60 GPa and 1 ...