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New analytical approach to analyze the nonlinear regime of stochastic resonance

  • Autori: Dubkov, A.; Spagnolo, B.; Valenti, D.
  • Anno di pubblicazione: 2015
  • Tipologia: Contributo in atti di convegno pubblicato in volume
  • OA Link:


We propose some approximate methods to explore the nonlinear regime of the stochastic resonance phenomenon. These approximations correspond to different truncation schemes of cumulants. We compare the theoretical results for the signal power amplification, obtained by using ordinary cumulant truncation schemes, that is Gaussian and excess approximations, the modified two-state approximation with those obtained by numerical simulations of the Langevin equation describing the dynamics of the system.