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相关论文: Active-parameter polydispersity in the 2d ABP Yuka…

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Homogeneous active Brownian particle (ABP) systems with purely repulsive interactions are considered to have simple phase behavior, but various physical attributes of active entities can lead to variation in the collective dynamics. Recent…

软凝聚态物质 · 物理学 2025-06-03 Monika Sanoria , Raghunath Chelakkot , Amitabha Nandi

We derive equations of motion for the mean-squared displacement (MSD) of an active Brownian particle (ABP) in a crowded environment modeled by a dense system of passive Brownian particles, and of a passive tracer particle in a dense…

软凝聚态物质 · 物理学 2021-07-27 Julian Reichert , Thomas Voigtmann

Biological microswimmers often inhabit a porous or crowded environment such as soil. In order to understand how such a complex environment influences their spreading, we numerically study non-interacting active Brownian particles (ABPs) in…

软凝聚态物质 · 物理学 2016-12-06 Maria Zeitz , Holger Stark

We study the theoretical phase behavior of an asymmetric binary mixture of hard spheres, of which the smaller component is monodisperse and the larger component is polydisperse. The interactions are modelled in terms of the second virial…

统计力学 · 物理学 2019-12-09 Luka Sturtewagen , Erik van der Linden

In this work, we report a new method to simulate active Brownian particles (ABPs) in molecular dynamics (MD) simulations. Immersed in a fluid, each ABP consists of a head particle and a spherical phantom region of fluid where the flagellum…

软凝聚态物质 · 物理学 2019-02-15 Liya Wang , Xinpeng Xu , Zhigang Li , Tiezheng Qian

Monte Carlo simulations of mono-- and polydisperse two--dimensional crystals are reported. The particles in the studied system, interacting through hard--core repulsive Yukawa potential, form a solid phase of hexagonal lattice. The elastic…

计算物理 · 物理学 2023-07-19 Jakub W. Narojczyk , P. M. Piglowski , K. W. Wojciechowski , K. V. Tretiakov

We study turbulent channel flows of monodisperse and polydisperse suspensions of finite-size spheres by means of Direct Numerical Simulations using an immersed boundary method to account for the dispersed phase. Suspensions with 3 different…

流体动力学 · 物理学 2017-10-11 Walter Fornari , Francesco Picano , Luca Brandt

We study quasi two-dimensional, monodisperse systems of active Brownian particles (ABPs) for a range of activities, stiffnesses, and densities. We develop a microscopic, analytical method for predicting the dense phase structure formed…

软凝聚态物质 · 物理学 2021-06-24 Nicholas Lauersdorf , Thomas Kolb , Moslem Moradi , Ehssan Nazockdast , Daphne Klotsa

Lipid monolayers with phase coexistence are a frequently used model for lipid membranes. In these systems, domains of the liquid-condensed phase always present size polydispersity. However, very few theoretical works consider size…

生物物理 · 物理学 2023-05-18 Elena Rufeil Fiori , Adolfo J. Banchio

We study theoretically the equilibrium phase behaviour of a mixture of polydisperse hard-sphere colloids and monodisperse polymers, modelled using the Asakura-Oosawa model within the free volume approximation of Lekkerkerker et al. We…

软凝聚态物质 · 物理学 2009-11-10 M. Fasolo , P. Sollich

We describe a two-dimensional model for active particles whose self-propulsion speed is not fixed, but varies in time, and whose motion is subject to both translational and rotational diffusion. In the conventional treatment of active…

软凝聚态物质 · 物理学 2025-10-01 Tayeb Jamali

In this work, we study the dynamics of a single active Brownian particle, as well as the collective behavior of interacting active Brownian particles, in a fluctuating heterogeneous environment. We employ a variant of the diffusing…

软凝聚态物质 · 物理学 2022-01-05 S. M. J. Khadem , N. H. Siboni , S. H. L. Klapp

The occurrence of swarms of small bubbles in a variety of industrial systems enhances their performance. However, the effects that size polydispersity may produce on the stability of kinematic waves, the gain factor, mean bubble velocity,…

流体动力学 · 物理学 2016-08-16 E. Salinas-Rodríguez , R. F. Rodríguez , J. M. Zamora , A. Soria

We computationally study suspensions of slow and fast active Brownian particles that have undergone motility induced phase separation and are at steady state. Such mixtures, of varying non-zero activity, remain largely unexplored even…

软凝聚态物质 · 物理学 2024-07-11 Nicholas J Lauersdorf , Ehssan Nazockdast , Daphne Klotsa

We study the theoretical phase behavior of an asymmetric binary mixture of hard spheres, of which the smaller component is monodisperse and the larger component is polydisperse. The interactions are modeled in terms of the second virial…

统计力学 · 物理学 2019-12-09 Luka Sturtewagen , Erik van der Linden

The transport of active particles may occur in complex environments, in which it emerges from the interplay between the mobility of the active components and the quenched disorder of the environment. Here we explore structural and dynamical…

软凝聚态物质 · 物理学 2023-03-31 Fergus J. Moore , John Russo Tanniemola B. Liverpool , C. Patrick Royall

We investigate the full pair-distribution function of a homogeneous suspension of spherical active Brownian particles interacting by a Weeks-Chandler-Andersen potential in two spatial dimensions. The full pair-distribution function depends…

软凝聚态物质 · 物理学 2020-06-18 Julian Jeggle , Joakim Stenhammar , Raphael Wittkowski

We use Langevin dynamics simulations to study dense 2d systems of particles with both size and energy polydispersity. We compare two types of bidisperse systems which differ in the correlation between particle size and interaction…

软凝聚态物质 · 物理学 2020-06-24 Itay Azizi , Yitzhak Rabin

The diffusion behavior of an active Brownian particle (ABP) in polymer solutions is studied using Langevin dynamics simulations. We find that the long time diffusion coefficient $D$ can show a non-monotonic dependence on the particle size…

软凝聚态物质 · 物理学 2018-01-11 Yunfei Du , Zhonghuai Hou

We study the position distribution of an active Brownian particle (ABP) in the presence of stochastic resetting in two spatial dimensions. We consider three different resetting protocols : (I) where both position and orientation of the…

统计力学 · 物理学 2021-04-20 Vijay Kumar , Onkar Sadekar , Urna Basu