Abstract
For the atomically smooth surfaces (faces) of a quantum crystal, the possibility of the presence of traveling waves similar to crystallization waves observed on an atomically rough surface is demonstrated. However, unlike the latter wave type, the waves on atomically smooth surfaces are nonlinear even when their amplitudes are small. The propagation velocity of such waves is determined as a function of their amplitude and wavelength.
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Original Russian Text © R.B. Gusev, A.Ya. Parshin, 2007, published in Pis’ma v Zhurnal Éksperimental’noi i Teoreticheskoĭ Fizki, 2007, Vol. 85, No. 11, pp. 717–720.