Discrete breathers in square lattices from delocalized nonlinear vibrational modes; Physical Review E; Vol. 107, iss. 3
| Parent link: | Physical Review E Vol. 107, iss. 3.— 2023.— [034214, 10 p.] |
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| Συγγραφή απο Οργανισμό/Αρχή: | |
| Άλλοι συγγραφείς: | , , , , |
| Περίληψη: | 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 |
| Γλώσσα: | Αγγλικά |
| Έκδοση: |
2023
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| Θέματα: | |
| Διαθέσιμο Online: | https://doi.org/10.1103/PhysRevE.107.034214 |
| Μορφή: | MixedMaterials Ηλεκτρονική πηγή Κεφάλαιο βιβλίου |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669433 |
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| 200 | 1 | |a Discrete breathers in square lattices from delocalized nonlinear vibrational modes |f E. K. Naumov, Yu. V. Bebikhov, E. G. Ekomasov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 59 tit.] | ||
| 330 | |a 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. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Physical Review E | ||
| 463 | |t Vol. 107, iss. 3 |v [034214, 10 p.] |d 2023 | ||
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| 701 | 1 | |a Naumov |b E. K. | |
| 701 | 1 | |a Bebikhov |b Yu. V. | |
| 701 | 1 | |a Ekomasov |b E. G. | |
| 701 | 1 | |a Soboleva |b E. G. |c physicist |c Associate Professor of Yurga technological Institute of Tomsk Polytechnic University, Candidate of physical and mathematical Sciences |f 1976- |g Elvira Gomerovna |3 (RuTPU)RU\TPU\pers\32994 |9 16839 | |
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