Solitary Waves and Kinks in FPU Lattices with Soft–Hard–Soft Trilinear Interactions
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DOI: 10.1007/s00332-024-10094-8
Abstract: We consider a version of the classical Hamiltonian Fermi–Pasta–Ulam (FPU) problem with a trilinear force–strain relation of soft–hard–soft type that is in general non-symmetric. In addition to the classical spatially localized solitary waves, such hardening–softening… read more here.
Keywords: problem; solitary waves; soft hard; waves kinks ... See more keywords