Discrete breathers in a twodimensional hexagonal FermiPastaUlam latticeTools Butt, Imran A. and Wattis, Jonathan A.D. (2007) Discrete breathers in a twodimensional hexagonal FermiPastaUlam lattice. J Phys A Theor Gen, 40 . pp. 12391264.
AbstractWe consider a twodimensional FermiPastaUlam (FPU) lattice
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