Abstract
At present time nonlinear excitations in one-dimensional monoatomic anharmonic chains are well studied. The next step is to study the dynamics of the diatomic chains.1 Phonon spectrum of diatomic chain has two branches with the gap between them. Do the solitons exist near the gap and in it?
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References
M. Peyrard, S. Pnevmatikos, N. Flytzanis, Dynamics of two component solitary waves in hydrogen-bonded chains, Phys. Rev A 36: 914 (1987).
O.A. Chubycalo, A.S. Kovalev, O.V. Usatenko, Dynamical solitons in a one-dimensional nonlinear chain, Phys. Rev. B 47: 3153 (1993).
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© 1994 Springer Science+Business Media New York
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Kovalev, A.S., Kladko, K.V., Usatenko, O.V. (1994). Bragge Solitons in 1-D Diatomic Chain with Nonlinear Interatomic Interaction and Nonlinear External Field. In: Spatschek, K.H., Mertens, F.G. (eds) Nonlinear Coherent Structures in Physics and Biology. NATO ASI Series, vol 329. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1343-2_12
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DOI: https://doi.org/10.1007/978-1-4899-1343-2_12
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