Noise effect in a sine-Gordon Lattice

Abstract : This paper is devoted to the influence of internal noise in a sine-Gordon chain exhibiting the well known nonlinear supratransmission phenomenon. It is shown that spatiotemporal noise can trigger breather modes with a given probability in a range of parameters where they do not occur without noise. A frequency analysis is carried out to quantify the degree of coherence of the emitted breather. It is shown that there exists an appropriate amount of noise which ensures the existence of breather modes with the best coherence.
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Contributor : Saverio Morfu <>
Submitted on : Monday, July 1, 2013 - 11:29:18 AM
Last modification on : Wednesday, September 12, 2018 - 1:27:07 AM

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  • HAL Id : hal-00839948, version 1

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Bertrand Bodo, Saverio Morfu. Noise effect in a sine-Gordon Lattice. 22nd International Conference on Noise and Fluctuations (ICNF) Montpellier, France, Jun 2013, Montpellier, France. pp.ISBN : 978-1-4799-0670-3; IEEE Catalog Number :CFP1392N-USB. ⟨hal-00839948⟩

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