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- Marcello Borromeo, Fabio Marchesoni
- Physical review. E, Statistical, nonlinear, and…
- 2007

The nonequilibrium escape dynamics in a bistable system under the influence of two Gaussian noises, one obtained by recycling, the other with a constant delay time, is shown by numerical simulation to exhibit stochastic synchronization; i.e., under stationary conditions, an appreciable fraction of renewal trajectories gets locked to the noise-recycling… (More)

- M Borromeo, G Costantini, F Marchesoni
- Physical review. E, Statistical, nonlinear, and…
- 2002

The rectification efficiency of an underdamped ratchet operated in the adiabatic regime increases according to a scaling current-amplitude curve as the damping constant approaches a critical threshold; below threshold the rectified signal becomes extremely irregular and eventually its time average drops to zero. Periodic (locked) and diffusive (fully… (More)

- M Borromeo, S Giusepponi, F Marchesoni
- Physical review. E, Statistical, nonlinear, and…
- 2006

The one-dimensional motion of a massless Brownian particle on a symmetric periodic substrate can be rectified by reinjecting its driving noise through a realistic recycling procedure. If the recycled noise is multiplicatively coupled to the substrate, the ensuing feedback system works like a passive Maxwell's daemon, capable of inducing a net current that… (More)

- Marcello Borromeo, Fabio Marchesoni
- Physical review. E, Statistical, nonlinear, and…
- 2008

Diffusion of an overdamped Brownian particle on a symmetric periodic substrate is investigated in the presence of pulsated perturbations of two kinds: (i) Stepwise lateral displacements (flashing substrate) and (ii) instantaneous tilts (shot noise). Pulses are applied, as it is often observed, in either periodic or random sequences with assigned mean (bias)… (More)

- G Costantini, F Marchesoni, M Borromeo
- Physical review. E, Statistical, nonlinear, and…
- 2002

We simulated numerically the time evolution of a one-kink bearing, damped elastic string sitting on noiseless periodic substrates of two types: (I) asymmetric, time independent, (II) symmetric, periodically deformable. An asymmetric kink subjected to an ac drive is shown to drift steadily with finite average speed independent of its initial kinetic… (More)

- M Borromeo, F Marchesoni, P K Ghosh
- The Journal of chemical physics
- 2011

In eccentric septate channels the pores connecting adjacent compartments are shifted off-axis, either periodically or randomly, so that straight trajectories parallel to the axis are not allowed. Driven transport of a Brownian particle in such a channel is characterized by a strong suppression of the current and its dispersion. For large driving forces,… (More)

- M Borromeo, F Marchesoni
- Physical review. E, Statistical, nonlinear, and…
- 2005

A Brownian particle hopping in a symmetric double-well potential can be statistically confined into a single well by the simultaneous action of (a) two periodic input signals, one tilting the minima and the other one modulating the barrier height, and (b) an additive and a purely multiplicative random signal, generated by a unique source and thus preserving… (More)

- M Borromeo, P Hänggi, F Marchesoni
- Journal of physics. Condensed matter : an…
- 2005

Transport in a one-dimensional symmetric device can be activated by the combination of thermal noise and a bi-harmonic drive. The results of extensive simulations allow us to distinguish between two apparently different bi-harmonic regimes: (i) harmonic mixing, where the two drive frequencies are commensurate but not too high; (ii) vibrational mixing, where… (More)

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