The effect of cubic potentials on discrete breathers in a mixed Klein-Gordon/Fermi-Pasta-Ulam chain

Nonlinearity has a crucial impact on the symmetry properties of dynamical systems. This paper studies a one-dimensional mixed Klein-Gordon/Fermi Pasta-Ulam diatomic chain using the expanded rotating plane-wave approximation and numerical calculations to determine the effect of cubic potentials on th...

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Bibliographic Details
Published inChinese physics B Vol. 19; no. 6; pp. 437 - 441
Main Author 周倩 吕彬彬 田强
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.06.2010
Subjects
Approximation
Breathers
Chains
Dynamical systems
Mathematical analysis
Nonlinearity
Rotating
Symmetry
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/19/6/066301

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Summary:Nonlinearity has a crucial impact on the symmetry properties of dynamical systems. This paper studies a one-dimensional mixed Klein-Gordon/Fermi Pasta-Ulam diatomic chain using the expanded rotating plane-wave approximation and numerical calculations to determine the effect of cubic potentials on the symmetry properties of discrete breathers in this system. The results will be very useful to researchers in the field of numerical calculations on discrete breathers.
Bibliography:11-5639/O4
one-dimensional mixed Klein-Gordon/Fermi Pasta-Ulam diatomic chain, discrete breathers, expanded rotating plane wave approximation, symmetry
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ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/19/6/066301