Self-localized surface modes on anharmonic crystals
β Scribed by J.N. Teixeira Rabelo; A.A. Maradudin
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 473 KB
- Volume
- 205
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
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
The effect of anharmonicity in the stretch and bend modes of benzene on the rate of energy flow from an excited CH stretch local mode is investigated using quasiclassical trajectories. Potentialenergy surfaces with varying degrees of anharmonicity are used in the calculations to determine which mode