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Transient and preparation colored-noise effects: The nonlinear relaxation-time approach

Authors
Journal
Physical Review A
1050-2947
Publisher
American Physical Society
Publication Date
Keywords
  • Fluctuacions (Física)
  • Soroll
  • Fluctuations (Physics)
  • Noise

Abstract

We develop a singular perturbation approach to the problem of the calculation of a characteristic time (the nonlinear relaxation time) for non-Markovian processes driven by Gaussian colored noise with small correlation time. Transient and initial preparation effects are discussed and explicit results for prototype situations are obtained. New effects on the relaxation of unstable states are predicted. The approach is compared with previous techniques.

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