Exploració per tema "Brownian motion processes"

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    • Adiabatic Processes Realized with a Trapped Brownian Particle 

      Martínez, Ignacio A.; Roldán, Édgar; Dinis, Luis; Petrov, Dmitri; Rica, Raúl A. (APS Physics, 2015-03-27)
      Article
      Accés obert
      The ability to implement adiabatic processes in the mesoscale is of key importance in the study of artificial or biological micro- and nanoengines. Microadiabatic processes have been elusive to experimental implementation ...

    • Excitability transitions and wave dynamics under spatiotemporal structured noise 

      Alonso Muñoz, Sergio; Sagués Mestres, Francesc; Sancho Herrero, José María (2002-06-14)
      Article
      Accés obert
      We present an analytic and numerical study of the effects of external fluctuations in active media. Our analytical methodology transforms the initial stochastic partial differential equations into an effective set of ...

    • Quantum Brownian motion with inhomogeneous damping and diffusion 

      Massignan, Pietro; Lampo, Aniello; Wehr, Jan; Lewenstein, Maciej (APS Physics, 2015-03-23)
      Article
      Accés obert
      We analyze the microscopic model of quantum Brownian motion, describing a Brownian particle interacting with a bosonic bath through a coupling which is linear in the creation and annihilation operators of the bath, but may ...