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Ratchet effect and amplitude dependence of phase locking in a two-dimensional Frenkel-Kontorova model
dc.creator | Wang, Cang-Long | |
dc.creator | Tekić, Jasmina | |
dc.creator | Duan, Wen-Shan | |
dc.creator | Shao, Zhi-Gang | |
dc.creator | Yang, Lei | |
dc.date.accessioned | 2018-03-01T23:06:07Z | |
dc.date.available | 2018-03-01T23:06:07Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 0021-9606 | |
dc.identifier.issn | 1089-7690 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/5271 | |
dc.description.abstract | We demonstrate the ratchet and phase locking effects in a two-dimensional overdamped Frenkel-Kontorova model with a square symmetric periodic substrate when both a longitudinal dc drive and a circular ac drive are applied. Besides the harmonic steps, the large half integer steps can also clearly be seen in the longitudinal (x) direction. These half integer steps are directly correlated to the appearance of positive and negative ratchet effects in the transverse (y) direction due to the symmetry breaking in the combination of the dc and ac drives. The angle between the net displacement and the longitudinal direction is analytically obtained in a single period of the ac drive. In the examination of the amplitude dependence of the ac drive, the maxima decrease monotonically with the amplitude, while the anomalies occur for the critical depinning force and the harmonic steps due to the spatial symmetry breaking of orbits in the presence of the ac drive. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4776226] | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45010/RS// | |
dc.relation | Strategic Priority Research Program of the Chinese Academy of Sciences [XDA01020304], China National Natural Science Foundation [91226101, 91026005, 11275156, 11105054], PCSIRT | |
dc.rights | openAccess | en |
dc.source | Journal of Chemical Physics | en |
dc.title | Ratchet effect and amplitude dependence of phase locking in a two-dimensional Frenkel-Kontorova model | en |
dc.type | article | en |
dcterms.abstract | Схао, Зхи-Ганг; Текић Јасмина; Yанг, Леи; Дуан, Wен-Схан; Wанг, Цанг-Лонг; | |
dc.citation.volume | 138 | |
dc.citation.issue | 3 | |
dc.identifier.wos | 000313671700017 | |
dc.identifier.doi | 10.1063/1.4776226 | |
dc.citation.other | Article Number: 034307 | |
dc.citation.rank | M21 | |
dc.identifier.pmid | 23343276 | |
dc.identifier.scopus | 2-s2.0-84872794332 |
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