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Intracellular transport processes driven by molecular motors can be described by stochastic lattice models of self-driven particles. Here we focus on bidirectional transport models excluding the exchange of particles on the same track. We…

生物物理 · 物理学 2015-05-27 M. Ebbinghaus , C. Appert-Rolland , L. Santen

A growing number of dynamical situations involve the coupling of particles or singularities with physical waves. In principle these situations are very far from the wave-particle duality at quantum scale where the wave is probabilistic by…

量子物理 · 物理学 2014-02-07 Stéphane Perrard , Matthieu Labousse , Marc Miskin , Emmanuel Fort , Yves Couder

In this paper we calculate and visualize the dynamics of an ensemble of electrons trapping in an electrostatic wave of slowly increasing amplitude, illustrating that, despite disordering of particles in angle during the trapping transition…

等离子体物理 · 物理学 2009-01-29 R. L. Dewar , J. C. -C. Yap

Transport of overdamped Brownian particles in a two-dimensional asymmetric tube is investigated in the presence of nonadiabatic periodic driving forces. By using Brownian dynamics simulations we can find that the phenomena in nonadiabatic…

软凝聚态物质 · 物理学 2015-05-18 Bao-quan Ai

We investigate the dynamics of a charged particle confined to move on a toroidal helix while being driven by an external time-dependent electric field. The underlying phase space is analyzed for linearly and circularly polarized fields. For…

混沌动力学 · 物理学 2021-06-02 Ansgar Siemens , Peter Schmelcher

We study the transport of a spin-orbit-coupled atomic matter wave using a moving Dirac $\delta$-potential well. In a spin-orbit-coupled system, bound states can be formed in both ground and excited energy levels with a Dirac $\delta$…

量子气体 · 物理学 2020-07-08 Jieli Qin , Lu Zhou

Strongly interacting spins underlie many intriguing phenomena and applications ranging from magnetism to quantum information processing. Interacting spins combined with motion display exotic spin transport phenomena, such as superfluidity…

We study the nonequilibrium dynamics of two particles confined in two spatially separated harmonic potentials and linearly coupled to the same thermally fluctuating scalar field, a cartoon for optically trapped colloids in contact with a…

统计力学 · 物理学 2022-10-12 Davide Venturelli , Andrea Gambassi

We study motion of a quantum wavepacket in a one-dimensional potential with correlated disorder. Presence of long-range potential correlations allows for existence of both localized and extended states. Weak time-dependent perturbation in…

无序系统与神经网络 · 物理学 2015-02-09 Denis Makarov , Leonid Kon'kov

We computationally study the behavior of underdamped active Brownian particles in a sheared channel geometry. Due to their underdamped dynamics, the particles carry momentum a characteristic distance away from the boundary before it is…

软凝聚态物质 · 物理学 2019-10-23 Caleb G. Wagner , Michael F. Hagan , Aparna Baskaran

The relationship between anomalous superdiffusive behavior and particle trapping probability is analyzed on a rocking ratchet potential with spatially correlated weak disorder. The trapping probability density is shown, analytically and…

统计力学 · 物理学 2019-02-18 D. G. Zarlenga , G. L. Frontini , Fereydoon Family , C. M. Arizmendi

While the collective motion of active particles has been studied extensively, effective strategies to navigate particle swarms without external guidance remain elusive. We introduce a method to control the trajectories of two-dimensional…

软凝聚态物质 · 物理学 2023-08-28 Sophie Y. Lee , Philipp W. A. Schönhöfer , Sharon C. Glotzer

Particles in pressure-driven channel flow are often inhomogeneously distributed. Two modes of low-Reynolds number instability, absent in Poiseuille flow of clean fluid, are created by inhomogeneous particle loading, and their mechanism is…

流体动力学 · 物理学 2024-11-27 Anup Kumar , Rama Govindarajan

This paper deals with the energy transport properties of charged particles with time-dependent damping force. Based on the proposed nonlinear dimensionless mapping,the stability and dynamical evolution of the particle system is analyzed…

混沌动力学 · 物理学 2017-02-01 Hao Zhang , Pengcheng Luo , Huifang Ding

A quantitative model of the mobility of functionalized particles at the interface is pivotal to understanding important systems in biology and nanotechnology. In this work, we investigate the emerging dynamics of particles anchored through…

软凝聚态物质 · 物理学 2024-06-19 Janna Lowensohn , Laurie Stevens , Daniel Goldstein , Bortolo Matteo Mognetti

The dynamics of spherical particles driven along an interface between two immiscible fluids is investigated asymptotically. Under the assumptions of a pinned three-phase contact line and very different viscosities of the two fluids, a…

软凝聚态物质 · 物理学 2015-04-01 Aaron Dörr , Steffen Hardt

We characterize the particle transport, particle loss, and nonequilibrium steady states in a dissipative one-dimensional lattice connected to reservoirs at both ends. The free-fermion reservoirs are fixed at different chemical potentials,…

量子气体 · 物理学 2023-03-27 A. -M. Visuri , T. Giamarchi , C. Kollath

In the absence of directional motion it is often hard to recognize athermal fluctuations. Probability currents provide such a measure in terms of the rate at which they enclose area in the reduced phase space. We measure this area enclosing…

A flowing pair of particles in inertial microfluidics gives important insights into understanding and controlling the collective dynamics of particles like cells or droplets in microfluidic devices. They are applied in medical cell analysis…

流体动力学 · 物理学 2018-05-25 Christian Schaaf , Felix Rühle , Holger Stark

The transport of atoms is experimentally studied in a transistor-like triple-well potential consisting of a narrow gate well surrounded by source and drain wells. Atoms are initially loaded into the source well with pre-determined…

原子物理 · 物理学 2016-02-17 Seth C. Caliga , Cameron J. E. Straatsma , Dana Z. Anderson
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