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http://hdl.handle.net/2445/9529
Title: | Theory for correlation functions of processes driven by external colored noise |
Author: | Hernández Machado, Aurora Casademunt i Viader, Jaume Rodríguez Díaz, Miguel Ángel Pesquera, L. Noriega, J. M. |
Keywords: | Fluctuacions (Física) Processos estocàstics Fluctuations (Physics) Stochastic processes |
Issue Date: | 1991 |
Publisher: | The American Physical Society |
Abstract: | We study steady-state correlation functions of nonlinear stochastic processes driven by external colored noise. We present a methodology that provides explicit expressions of correlation functions approximating simultaneously short- and long-time regimes. The non-Markov nature is reduced to an effective Markovian formulation, and the nonlinearities are treated systematically by means of double expansions in high and low frequencies. We also derive some exact expressions for the coefficients of these expansions for arbitrary noise by means of a generalization of projection-operator techniques. |
Note: | Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.43.1744 |
It is part of: | Physical Review A, 1991, vol. 43, núm. 4, p. 1744-1753. |
URI: | http://hdl.handle.net/2445/9529 |
Related resource: | http://dx.doi.org/10.1103/PhysRevA.43.1744 |
ISSN: | 1050-2947 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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