Articles with "brownian particle" as a keyword



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The tug-of-war behavior of a Brownian particle in an asymmetric double optical trap with stochastic fluctuations

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Published in 2018 at "Physica A: Statistical Mechanics and its Applications"

DOI: 10.1016/j.physa.2018.02.086

Abstract: Abstract A Brownian particle optically trapped in an asymmetric double potential surrounded by a thermal bath was simulated. Under the cooperative action of the resultant deterministic optical force and the stochastic fluctuations of the thermal… read more here.

Keywords: tug war; particle; brownian particle; stochastic fluctuations ... See more keywords
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Winding number of a Brownian particle on a ring under stochastic resetting

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Published in 2022 at "Journal of Physics A: Mathematical and Theoretical"

DOI: 10.1088/1751-8121/ac57cf

Abstract: We consider a random walker on a ring, subjected to resetting at Poisson-distributed times to the initial position (the walker takes the shortest path along the ring to the initial position at resetting times). In… read more here.

Keywords: time; brownian particle; first completion; mean first ... See more keywords
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Work and heat distributions of an inertial Brownian particle.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.105.044109

Abstract: The work and heat distribution densities of a classical Brownian particle immersed in a heat bath and interacting with an external field have been extensively analyzed from different approaches. In this article, a previous method… read more here.

Keywords: brownian particle; heat distributions; work heat; heat ... See more keywords
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Inertial dynamics of an active Brownian particle.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.106.034616

Abstract: Active Brownian motion commonly assumes spherical overdamped particles. However, self-propelled particles are often neither symmetric nor overdamped yet underlie random fluctuations from their surroundings. Active Brownian motion has already been generalized to include asymmetric particles.… read more here.

Keywords: brownian particle; motion; active brownian; inertial dynamics ... See more keywords
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Most probable path of an active Brownian particle.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.106.064120

Abstract: In this study, we investigate the transition path of a free active Brownian particle (ABP) on a two-dimensional plane between two given states. The extremum conditions for the most probable path connecting the two states… read more here.

Keywords: probable path; brownian particle; path; active brownian ... See more keywords
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Fitting an active Brownian particle's mean-squared displacement with improved parameter estimation.

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Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.106.l052602

Abstract: The active Brownian particle (ABP) model is widely used to describe the dynamics of active matter systems, such as Janus microswimmers. In particular, the analytical expression for an ABP's mean-squared displacement (MSD) is useful as… read more here.

Keywords: brownian particle; mean squared; active brownian; estimation ... See more keywords
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Driven Brownian particle as a paradigm for a nonequilibrium heat bath: Effective temperature and cyclic work extraction.

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Published in 2017 at "Physical Review E"

DOI: 10.1103/physreve.95.050103

Abstract: We apply the concept of a frequency-dependent effective temperature based on the fluctuation-dissipation ratio to a driven Brownian particle in a nonequilibrium steady state. Using this system as a thermostat for a weakly coupled harmonic… read more here.

Keywords: temperature; nonequilibrium; effective temperature; driven brownian ... See more keywords
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Comment on "Replica Symmetry Breaking in Trajectories of a Driven Brownian Particle".

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Published in 2018 at "Physical review letters"

DOI: 10.1103/physrevlett.121.128901

Abstract: We comment on a Letter [Phys. Rev. Lett. 115, 080605 (2015), arXiv:1411.1816] "Replica symmetry breaking in trajectories of a driven Brownian particle" and author reply [arXiv:1805.10474] read more here.

Keywords: breaking trajectories; trajectories driven; replica symmetry; symmetry breaking ... See more keywords
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Brownian Motion of Charged Particles in a Bath Responding to an External Magnetic Field

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Published in 2020 at "Acta Physica Polonica A"

DOI: 10.12693/aphyspola.137.657

Abstract: We consider the Brownian motion in a constant magnetic field. Unlike in the previous theories, both the Brownian particle and the surrounding bath particles, if they are charged, respond to the external field. The bath… read more here.

Keywords: motion; field; brownian motion; magnetic field ... See more keywords
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Diffusion Properties of a Brownian Ratchet with Coulomb Friction

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Published in 2023 at "Symmetry"

DOI: 10.3390/sym15010200

Abstract: The motion of a Brownian particle in the presence of Coulomb friction and an asymmetric spatial potential was evaluated in this study. The system exhibits a ratchet effect, i.e., an average directed motion even in… read more here.

Keywords: diffusion properties; brownian particle; friction; coulomb friction ... See more keywords