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http://hdl.handle.net/10662/639
Title: | Criticality-induced universitality in ratchets |
Authors: | Chacón García, Ricardo |
Keywords: | Waveform;Biharmonic forces;Ratchet;Ondas;Fuerzas biarmónicas |
Issue Date: | 2010 |
Source: | Chacón, Ricardo. Criticality-induced universality in rachets. ArXiv:1006.0350v1 |
Abstract: | Conclusive mathematical arguments are presented supporting the ratchet conjecture [R. Chacón,J. Phys. A 40, F413 (2007)], i.e., the existence of a universal force wave form which optimally enhances directed transport by symmetry breaking. Specifically, such a particular waveform is shown to be “unique” for both temporal and spatial biharmonic forces, and general (non-perturbative) laws providing the dependence of the strength of directed transport on the force parameters are deduced for these forces. The theory explains previous results for a great diversity of systems subjected to such biharmonic forces and provides a universal quantitative criterion to optimize “any” application of the ratchet effect induced by symmetry breaking of temporal and spatial biharmonic forces. |
URI: | http://hdl.handle.net/10662/639 |
Appears in Collections: | DFIAP - Artículos |
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arxiv_1006.0350.pdf | 280,12 kB | Adobe PDF | View/Open |
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