Nanoptera and Stokes curves in the 2-periodic Fermi–Pasta–Ulam–Tsingou equation
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DOI: 10.1016/j.physd.2019.132239
Abstract: This work presents asymptotic solutions to a singularly-perturbed, period-2 FPUT lattice and uses exponential asymptotics to examine `nanoptera', which are nonlocal solitary waves with constant-amplitude, exponentially small wave trains which appear behind the wave front.… read more here.
Keywords: pasta ulam; periodic fermi; stokes curves; nanoptera stokes ... See more keywords