Discrete breathers in square lattices from delocalized nonlinear vibrational modes

Discrete breathers in square lattices from delocalized nonlinear vibrational modes

書誌詳細
Parent link:	Physical Review E Vol. 107, iss. 3.— 2023.— [034214, 10 p.]
団体著者:	Национальный исследовательский Томский политехнический университет Юргинский технологический институт
その他の著者:	Naumov E. K., Bebikhov Yu. V., Ekomasov E. G., Soboleva E. G. Elvira Gomerovna, Dmitriev S. V.
要約:	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
言語:	英語
出版事項:	2023
主題:	электронный ресурс труды учёных ТПУ
オンライン･アクセス:	https://doi.org/10.1103/PhysRevE.107.034214
フォーマット:	電子媒体図書の章
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669433

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