Multiple states of intrinsic localized modes
β Scribed by Kivshar, Yuri S.; Champneys, Alan R.; Cai, David; Bishop, Alan R.
- Book ID
- 125498281
- Publisher
- The American Physical Society
- Year
- 1998
- Tongue
- English
- Weight
- 149 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1098-0121
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π SIMILAR VOLUMES
A discussion is given of the theory of intrinsic localized modes ILM for nonlinear waveguide impurities in photonic crystals. Particular attention is made to the determination of the dispersion relation of propagating ILM modes. Both evenand odd-parity ILM modes are considered.
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
We present an analysis of intrinsic localized modes (ILMs) in complex dynamical systems including chains with long-rungc Coulomb-interactions, resonant coupling and strong cubic anharmonicity. Applicability and limitations of'the envelope soliton description are discussed.