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  1. No Access

    Article

    Modulated class A laser: stochastic resonance in a limit-cycle potential system

    We exploit the knowledge of the nonequilibrium potential in a model for the modulated class A laser. We analyse both, the deterministic and the stochastic dynamics of such a system in terms of the Lyapunov po...

    Catalina Mayol, Raúl Toral, Horacio S. Wio in The European Physical Journal B (2018)

  2. No Access

    Article

    The noisy Hegselmann-Krause model for opinion dynamics

    In the model for continuous opinion dynamics introduced by Hegselmann and Krause, each individual moves to the average opinion of all individuals within an area of confidence. In this work we study the effect...

    Miguel Pineda, Raúl Toral, Emilio Hernández-García in The European Physical Journal B (2013)

  3. No Access

    Chapter

    Resonance Induced by Repulsive Links

    In nonlinear systems, the right amount of noise can amplify the response to a weak periodic signal, by a phenomenon known as stochastic resonance [1]. It was shown that the same constructive role can be played...

    Teresa Vaz Martins, Raúl Toral in Applications of Nonlinear Dynamics (2009)

  4. No Access

    Chapter and Conference Paper

    Linear Instability Mechanisms of Noise-Induced Phase Transitions

    We review the role of linear instabilities on phase transition processes induced by external spatiotemporal noise. In particular, we present a detailed linear stability analysis of a standard Ginzburg-Landau m...

    Marta Ibañes, Jordi García-Ojalvo… in Stochastic Processes in Physics, Chemistry… (2000)

  5. No Access

    Chapter

    Stochastic Effects in Physical Systems

    The study of the effects of noise and fluctuations is a well established subject in several different disciplines ranging from pure mathematics (stochastic processes) to physics (fluctuations) and electrical e...

    Maxi San Miguel, Raúl Toral in Instabilities and Nonequilibrium Structures VI (2000)

  6. No Access

    Chapter and Conference Paper

    Computational field theory and pattern formation

    Raúl Toral in Third Granada Lectures in Computational Physics (1995)