Discrete breathers in square lattices from delocalized nonlinear vibrational modes; Physical Review E; Vol. 107, iss. 3

Discrete breathers in square lattices from delocalized nonlinear vibrational modes; Physical Review E; Vol. 107, iss. 3

Bibliografiske detaljer
Parent link:	Physical Review E Vol. 107, iss. 3.— 2023.— [034214, 10 p.]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет Юргинский технологический институт
Andre forfattere:	Naumov E. K., Bebikhov Yu. V., Ekomasov E. G., Soboleva E. G. Elvira Gomerovna, Dmitriev S. V.
Summary:	Title screen Standing and moving discrete breathers (or equally, intrinsic localized modes) in a square β-Fermi-Pasta-Ulam-Tsingou lattice are obtained by applying localizing functions to the delocalized nonlinear vibrational modes (DNVMs) found earlier by Ryabov and Chechin. The initial conditions used in our study do not correspond to exact spatially localized solutions, but make it possible to obtain long-lived quasibreathers. The approach employed in this work can easily be used to search for quasibreathers in three-dimensional crystal lattices, for which DNVMs with frequencies outside the phonon spectrum are known. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2023
Fag:	электронный ресурс труды учёных ТПУ
Online adgang:	https://doi.org/10.1103/PhysRevE.107.034214
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669433

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