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Thermostatistics of overdamped motion with anisotropic drag forces
(EDP Sciences, 2020-03)
We investigate the consequences of anisotropic drag forces for the thermostatistics of systems of interacting particles in the overdamped motion regime. Systems of confined particles interacting via short-range forces and ...
Impact of rough potentials in rocked ratchet performance
(Elsevier B.V., 2018)
We consider thermal ratchets modeled by overdamped Brownian motion in a spatially periodic potential with a tilting process, both unbiased on average. We investigate the impact of the introduction of roughness in the ...
Universal resistance capacitance crossover in current-voltage characteristics for unshunted array of overdamped Nb-AlOx-Nb Josephson junctions
(AMER INST PHYSICS, 2010)
We report on some unusual behavior of the measured current-voltage characteristics (CVC) in artificially prepared two-dimensional unshunted array of overdamped Nb-AlO(x)-Nb Josephson junctions. The obtained nonlinear CVC ...
Nonlinear fokker-planck equation for an overdamped system with drag depending on direction
(Multidisciplinary Digital Publishing Institute, 2021-09)
We investigate a one-dimensional, many-body system consisting of particles interacting via repulsive, short-range forces, and moving in an overdamped regime under the effect of a drag force that depends on direction. That ...
Multispecies effects in the equilibrium and out-of-equilibrium thermostatistics of overdamped motion
(American Physical Society, 2020-08)
Progress has been recently made, both theoretical and experimental, regarding the thermostatistics of complex systems of interacting particles or agents (species) obeying a nonlinear Fokker-Planck dynamics. However, major ...
Unbiased diffusion of Brownian particles on disordered correlated potentials
(IOP Publishing, 2015)
In this work we study the diffusion of non-interacting overdamped particles, moving on unbiased disordered correlated potentials, subjected to Gaussian white noise. We obtain an exact expression for the diffusion coefficient ...
Fate of dynamical phases of a BCS superconductor beyond the dissipationless regime
(American Physical Society, 2019-05)
The BCS model of an isolated superconductor initially prepared in a nonequilibrium state predicts the existence of interesting dynamical phenomena in the time-dependent order parameter as decaying oscillations, persistent ...
Mechanical and electrical driving field induced high-frequency dielectric anomalies in ferroelectric systems
(Iop Publishing Ltd, 2007-09-26)
Polycrystalline or single-crystal ferroelectric materials present dielectric dispersion in the frequency range 100 MHz-1 GHz that has been attributed to a dispersive ( relaxation-like) mechanism as well as a resonant ...
Mechanical and electrical driving field induced high-frequency dielectric anomalies in ferroelectric systems
(Iop Publishing Ltd, 2007-09-26)
Polycrystalline or single-crystal ferroelectric materials present dielectric dispersion in the frequency range 100 MHz-1 GHz that has been attributed to a dispersive ( relaxation-like) mechanism as well as a resonant ...
Supersymmetric partner chirping of Newtonian free damping
(1998)
We connect the classical free-damping cases by means of Rosner's construction in supersymmetric quantum mechanics. Starting with the critical damping, one can obtain in the underdamping case a chirping of instantaneous ...