6533b82afe1ef96bd128ba75

RESEARCH PRODUCT

Noise stabilization effects in models of interdisciplinary physics

Bernardo SpagnoloAndrey L. PankratovA. La CognataP. CaldaraDavide ValentiAlexander A. DubkovAlessandro FiasconaroG. AugelloNicola Pizzolato

subject

Josephson effectPhysicsmetastability in quantum systemsHistorystatistical mechanics complex systems noiseSettore FIS/02 - Fisica Teorica Modelli E Metodi MatematiciComplex systemStatistical mechanicsNoise (electronics)noise-induced phenomena; out-of-equilibrium phenomena; metastability in quantum systemsComputer Science ApplicationsEducationHeston modelNonlinear systemMetastabilityStatistical physicsout-of-equilibrium phenomenaQuantumnoise-induced phenomena

description

Metastability is a generic feature of many nonlinear systems, and the problem of the lifetime of metastable states involves fundamental aspects of nonequilibrium statistical mechanics. The investigation of noise-induced phenomena in far from equilibrium systems is one of the approaches used to understand the behaviour of physical and biological complex systems. The enhancement of the lifetime of metastable states through the noise enhanced stability effect and the role played by the resonant activation phenomenon will be discussed in models of interdisciplinary physics: (i) polymer translocation dynamics; (ii) transient regime of FitzHugh-Nagumo model; (iii) market stability in a nonlinear Heston model; (iv) dynamics of Josephson junctions; (v) metastability in a quantum bistable system. © 2009 IOP Publishing Ltd.

10.1088/1742-6596/174/l/012037http://hdl.handle.net/10447/205620