Asymptotic analysis of combined breather-kink modes
in a Fermi-Pasta-Ulam chain

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Asymptotic analysis of combined breather-kink modes in a Fermi-Pasta-Ulam chain

We find approximations to travelling breather solutions of the one-dimensional Fermi-Pasta-Ulam (FPU) lattice. Both bright breather and dark breather solutions are found. We find that the existence of localised (bright) solutions depends upon the coefficients of cubic and quartic terms of the po...

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Bibliographic Details
Main Authors:	Butt, Imran A., Wattis, Jonathan A.D.
Format:	Article
Published:	Elsevier 2007
Subjects:	breathers non-linear waves discrete systems
Online Access:	https://eprints.nottingham.ac.uk/925/

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