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Proceedings Paper

Twofold role of noise in doubly stochastic effects
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Paper Abstract

We study nonlinear systems under two noisy sources to demonstrate the concept of doubly stochastic effects. In such effects noise plays a twofold role: first it induces a special feature in the system, and second it interplays with this feature leading to noise-induced order. For this effect one needs to optimize both noisy sources, hence we call these phenomena doubly stochastic effects. To show the generality of this approach we apply this concept to several basic noise-induced phenomena: stochastic resonance, noise-induced propagation and coherence resonance. Additionally, we discuss an application of this concept to noise-induced transitions and ratchets. In all these noise-induced effects ordering occurs due to the joint action of two noisy sources.

Paper Details

Date Published: 7 May 2003
PDF: 11 pages
Proc. SPIE 5114, Noise in Complex Systems and Stochastic Dynamics, (7 May 2003); doi: 10.1117/12.488799
Show Author Affiliations
Alexei Zaikin, Univ. Potsdam (Germany)
Jordi Garcia-Ojalvo, Univ. Politécnica de Catalunya (Spain)
Lutz Schimansky-Geier, Humboldt-Univ. zu Berlin (Germany)
Juergen Kurths, Univ. Potsdam (Germany)

Published in SPIE Proceedings Vol. 5114:
Noise in Complex Systems and Stochastic Dynamics
Lutz Schimansky-Geier; Derek Abbott; Alexander Neiman; Christian Van den Broeck, Editor(s)

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