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Multiple distinct glass states occur in binary hard-sphere mixtures with constituents of very disparate sizes according to the mode-coupling theory of the glass transition (MCT), distinguished by considering whether small particles remain…

软凝聚态物质 · 物理学 2015-05-20 Th. Voigtmann

We study the glass transition by exploring a broad class of kinetic rules that can significantly modify the normal dynamics of super-cooled liquids, while maintaining thermal equilibrium. Beyond the usual dynamics of liquids, this class…

软凝聚态物质 · 物理学 2024-06-14 Cristina Gavazzoni , Carolina Brito , Matthieu Wyart

We investigate the dynamics of an active particle in two-dimensional spherical crystals, which provide an ideal environment to illustrate the interplay of active particle and crystallographic defects. A moving active particle is observed to…

软凝聚态物质 · 物理学 2016-08-05 Zhenwei Yao

For hard ellipsoids of revolution we calculate the phase diagram for the idealized glass transition. Our equations cover the glass physics in the full phase space, for all packing fractions and all aspect ratios X$_0$. With increasing…

软凝聚态物质 · 物理学 2009-10-31 M. Letz , R. Schilling , A. Latz

We propose convergent plasma lenses, possibly from current sheets, as a generic solution to strong interstellar scattering. These lenses resolve the overpressure problem by geometric alignment as noted by Goldreich and Shridhar (2006). They…

星系天体物理 · 物理学 2015-06-03 Ue-Li Pen , Lindsay King

A technique for extracting from the appropriate field equations the relativistic motion of Schwarzschild, Reissner-Nordstrom and Kerr particles moving in external fields is motivated and illustrated. The key assumptions are that (a) the…

广义相对论与量子宇宙学 · 物理学 2021-04-07 Peter A. Hogan

Motion of test particles along rotating curved trajectories is considered. The problem is studied both in the laboratory and the rotating frames of reference. It is assumed that the system rotates with the constant angular velocity $\omega…

天体物理学 · 物理学 2015-06-24 Andria Rogava , George Dalakishvili , Zaza Osmanov

There are many examples of driven and active matter systems containing particles that exhibit circular motion with different chiralities, such as swimming bacteria near surfaces or certain types of self-driven colloidal particles. Circular…

统计力学 · 物理学 2015-06-16 C. Reichhardt , C. J. Olson Reichhardt

We investigate the motion of electrically charged test particles in spacetimes with closed timelike curves, a subset of the black hole or wormhole Reissner-Nordstr\"om-NUT spacetimes without periodic identification of time. We show that,…

广义相对论与量子宇宙学 · 物理学 2021-03-01 Gérard Clément , Mourad Guenouche

In this article we describe the crystallization conjecture. It states that, in appropriate physical conditions, interacting particles always place themselves into periodic configurations, breaking thereby the natural translation-invariance…

统计力学 · 物理学 2015-10-06 Xavier Blanc , Mathieu Lewin

This is a reply to cond-mat/0010033 by Newman and Stein, which is a comment on on our paper Phys. Rev. Lett. 85, 3017 (2000), cond-mat/0002134.

无序系统与神经网络 · 物理学 2009-09-25 Matteo Palassini , A. P. Young

Consider a finite system of competing Brownian particles on the real line. Each particle moves as a Brownian motion, with drift and diffusion coefficients depending only on its current rank relative to the other particles. We find a…

概率论 · 数学 2016-05-24 Cameron Bruggeman , Andrey Sarantsev

The equations of motion for the position and spin of a classical particle coupled to an external electromagnetic and gravitational potential are derived from an action principle. The constraints insuring a correct number of independent spin…

高能物理 - 理论 · 物理学 2009-10-22 Karl Yee , Myron Bander

Motion of a cylinder dynamically interacting with n point vortices in a perfect fluid is considered. A nonliniear Poisson structure and two integrals of motion are found. The equations of motion a priori are not Hamiltonian. For n=1, the…

混沌动力学 · 物理学 2007-05-23 A. V. Borisov , I. S. Mamaev

Many of the large structures of the cell, such as the cytoskeleton, are assembled and maintained far from equilibrium. We study the stabilities of various structures for a simple model of such a far-from-equilibrium organized assembly in…

软凝聚态物质 · 物理学 2009-11-10 Tongye Shen , Peter G. Wolynes

A simple model of an active colloid consisting of dumbbell-shaped particles that cyclically change their length without propelling themselves is proposed and analyzed. At nanoscales, it represents an idealization for bacterial cytoplasm or…

适应与自组织系统 · 物理学 2020-01-28 Yuki Koyano , Hiroyuki Kitahata , Alexander S. Mikhailov

A walking droplet possesses fascinating properties due to its peculiar wave/particle interaction. The self-propelling motion of such a droplet is driven by the Faraday instability triggered around the droplet at each impact. We studied in…

流体动力学 · 物理学 2019-04-12 Nicolas Vandewalle , Boris Filoux , Maxime Hubert

Out of equilibrium states in glasses and crystals have been a major topic of research in condensed-matter physics for many years, and the idea of time crystals has triggered a flurry of new research. Here, we provide the first description…

统计力学 · 物理学 2022-06-14 Robin C. Verstraten , Rodrigo F. Ozela , Cristiane Morais Smith

By means of the method of moving Frenet-Serret frame the set of equations of motion is derived for spinning particle in an arbitrary external field, which is determined by potential depending from both position and the state of movement, as…

经典物理 · 物理学 2016-01-08 Alexander N. Tarakanov

The motion of spinning relativistic particles in external electromagnetic and gravitational fields is considered. Covariant equations for this motion are demonstrated to possess pathological solutions, when treated nonperturbatively in…

高能物理 - 理论 · 物理学 2007-05-23 I. B. Khriplovich