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Hessari, Peyman
School of Natural Science
Research Interests
  • Spectral Element Method
  • Finite Element Method
  • First Order System Least Squares Method
  • Interface Problem
  • Numerical Methods in Linear Algebra

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Regularization of chaos by noise in electrically driven nanowire systems

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dc.contributor.author Hessari, Peyman ko
dc.contributor.author Do, Younghae ko
dc.contributor.author Lai, Ying-Cheng ko
dc.contributor.author Chae, Junseok ko
dc.contributor.author Park, Cheol Woo ko
dc.contributor.author Lee, GyuWon ko
dc.date.available 2014-05-08T05:27:31Z -
dc.date.created 2014-05-08 ko
dc.date.issued 2014-04 ko
dc.identifier.citation PHYSICAL REVIEW B, v.89, no.13, pp.134304 ko
dc.identifier.issn 2469-9950 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/4508 -
dc.description.abstract The electrically driven nanowire systems are of great importance to nanoscience and engineering. Due to strong nonlinearity, chaos can arise, but in many applications it is desirable to suppress chaos. The intrinsically high-dimensional nature of the system prevents application of the conventional method of controlling chaos. Remarkably, we find that the phenomenon of coherence resonance, which has been well documented but for low-dimensional chaotic systems, can occur in the nanowire system that mathematically is described by two coupled nonlinear partial differential equations, subject to periodic driving and noise. Especially, we find that, when the nanowire is in either the weakly chaotic or the extensively chaotic regime, an optimal level of noise can significantly enhance the regularity of the oscillations. This result is robust because it holds regardless of whether noise is white or colored, and of whether the stochastic drivings in the two independent directions transverse to the nanowire are correlated or independent of each other. Noise can thus regularize chaotic oscillations through the mechanism of coherence resonance in the nanowire system. More generally, we posit that noise can provide a practical way to harness chaos in nanoscale systems. ko
dc.description.statementofresponsibility open -
dc.language 영어 ko
dc.publisher AMER PHYSICAL SOC ko
dc.title Regularization of chaos by noise in electrically driven nanowire systems ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84899716747 ko
dc.identifier.wosid 000334117000001 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.date.tcdate 2014-10-18 *
dc.identifier.doi 10.1103/PhysRevB.89.134304 ko
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