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Surface localized modes in anharmonic systems at low dimensionality

✍ Scribed by A. Franchini; V. Bortolani; R.F. Wallis


Book ID
117217095
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
300 KB
Volume
377-379
Category
Article
ISSN
0039-6028

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Intrinsic localized anharmonic modes at
✍ U. SchrΓΆder; D. Bonart; A.P. Mayer πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 185 KB

On the basis of realistic lattice-dynamical models, anharmonic modes have been found at surfaces and edges of crystal lattices. Their associated displacements are not only localized in the direction(s) perpendicular, but also parallel to the surface or the tip of the edge. The stability of such mode