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Article Dans Une Revue Solid State Communications Année : 2011

Stochastic resonance and charge density wave dynamics in quasi-one-dimensional conductors

Résumé

Stochastic resonance (SR) in nonlinear systems is a counterintuitive concept in which a weak periodic signal and noise cooperate and give rise to a maximum in the signal-to-noise ratio at the output of the system when the noise is tuned to a certain value. The spatial coupling of a large number of oscillators showing SR may have a constructive effect and leads to the so-called array enhanced stochastic resonance (AESR). We discuss the possible application of SR and AESR concepts to charge density wave (CDW) dynamics in quasi-one-dimensional conductors. We show in a preliminary experiment that the addition of noise can modify the behavior of the CDW in the quasi-one-dimensional conductor K0.30MoO3.

Dates et versions

hal-00990193 , version 1 (13-05-2014)

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Jean Dumas, Jacques Marcus. Stochastic resonance and charge density wave dynamics in quasi-one-dimensional conductors. Solid State Communications, 2011, 151 (8), pp.591-594. ⟨10.1016/j.ssc.2011.02.010⟩. ⟨hal-00990193⟩

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