Journal
PHYSICS LETTERS A
Volume 284, Issue 1, Pages 16-22Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0375-9601(01)00277-8
Keywords
nonlinear dynamical systems; solitary waves; diatomic lattices
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We extend the quasi-continuum method of approximation to find waves of general speed in a diatomic lattice. Our results include as a special case the one speed which previous methods have found: we find the shape of nonlinear waves of arbitrary velocity up to some maximum speed. (C) 2001 Published by Elsevier Science B.V.
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