Symmetry Classification of Diatomic Molecular Chains

作者: P. Winternitz , S. Tremblay , S. Lafortune

DOI: 10.1063/1.1398583

关键词:

摘要: A symmetry classification of possible interactions in a diatomic molecular chain is provided. For nonlinear the group Lie point transformations, leaving lattice invariant and taking solutions into solutions, at most five-dimensional. An example considered which subgroups are used to reduce dynamical differential-difference equations purely difference ones.

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