A model description was deduced for narrow dislocation cores. The discrete structure of the dislocation core was revealed in the case of the Frenkel-Kontorova and Peierls models. A model of the dislocation core was proposed which agreed well with the concepts of solid mechanics.

Modelling of an Edge Dislocation and Estimate of the Dislocation Core for a Close-Packed Atomic Layer. V.M.Kornev, V.D.Kurguzov: Journal of Applied Physics and Technical Physics, 2000, 41[5], 950-4