Search results for "additive noise"

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The bistable system: an archetypal model for complex systems

2011

Bistable systems often play the role of archetypal models to understand the dynamical behavior of complex systems. Examples range from microphysics to macrophysics, bìology, chemistry and also econophysics. Moreover the statistical mechanics is essential to study the physical properties of complex systems and to investigate stochastic systems in which the microscopic degrees of freedom behave collectively over large scales. We investigate the nonlinear relaxation in a bistable system in classical and quantum systems. (i) As a first classical system, the role of the multiplicative and additive noise in the mean life time of the metastable state of an asymmetric bistable system is investigate…

Metastable state; multiplicative noise; additive noise; stochastics dynamics; Lévy noise; nonlinear relaxation time; Feynman-Vernon functionalMetastable statemultiplicative noisenonlinear relaxation timestochastics dynamicFeynman-Vernon functionaladditive noiseLévy noise

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