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Decay of an unstable state in the presence of multiplicative noise
De Pasquale, F.; Sancho, José M.; San Miguel Ruibal, Maximino; Tartaglia, P.
Universitat de Barcelona
The phenomenon of anomalous fluctuations associated with the decay of an unstable state is analyzed in the presence of multiplicative noise. A theory is presented and compared with a numerical simulation. Our results allow us to distinguish the roles of additive and multiplicative noise in the nonlinear relaxation process. We suggest the use of experiments on transient dynamics to understand the effect of these two sources of noise in problems in which parametric noise is thought to be important, such as dye lasers.
04-05-2010
Fluctuacions (Física)
Soroll
Termodinàmica estadística
Radioactive decay
Noise
(c) The American Physical Society, 1986
Artículo
The American Physical Society
         

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