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相关论文: Why charges go to the surface: a generalized Thoms…

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We consider a variational model for a charge density $u\in\{-1,1\}$ on a (hyper)plane, with a short-range attraction coming from the interfacial energy and a long-range repulsion coming from the electrostatic energy. This competition leads…

偏微分方程分析 · 数学 2020-04-06 Katarina Bellova , Antoine Julia , Felix Otto

We evaluate the electrostatic potential and the electrostatic field created by a point charge and an arbitrarly oriented electrical dipole placed near a grounded perfectly conducting sphere. Induced surface charge distributions as well as…

物理教育 · 物理学 2013-04-18 F C Santos , A C Tort

Dynamics near the surface of glasses is generally much faster than in the bulk. Neglecting static perturbations of structure at the surface, we use random first order transition theory to show the free energy barrier for activated motion…

软凝聚态物质 · 物理学 2009-11-13 Jacob D. Stevenson , Peter G. Wolynes

The dissipation rate due to inelastic collisions between equally charged, insulating particles in a granular gas is calculated. It is equal to the known dissipation rate for uncharged granular media multiplied by a Boltzmann-like factor,…

统计力学 · 物理学 2007-05-23 T. Scheffler , D. E. Wolf

A concise method for following the evolving geometry of a moving surface using Lagrangian coordinates is described. All computations can be done in the fixed geometry of the initial surface despite the evolving complexity of the moving…

软凝聚态物质 · 物理学 2013-05-29 Mark A. Peterson

The confinement of an ionic liquid between charged solid surfaces is treated using an exactly solvable 1D Coulomb gas model. The theory highlights the importance of two dimensionless parameters: the fugacity of the ionic liquid, and the…

软凝聚态物质 · 物理学 2014-09-08 Alpha A Lee , Dominic Vella , Susan Perkin , Alain Goriely

The Coulomb problem for vector bosons W(+/-) propagating in an attractive Coulomb field incorporates a known difficulty, i.e. the total charge of the boson localized on the Coulomb center turns out infinite. This fact contradicts the…

高能物理 - 理论 · 物理学 2009-08-18 M. Yu. Kuchiev , V. V. Flambaum

We give an example of a geometry in which the electrostatic force between a point charge and a neutral metallic object is repulsive. The example consists of a point charge centered above a thin metallic hemisphere, positioned concave up. We…

经典物理 · 物理学 2011-08-26 Michael Levin , Steven G. Johnson

We investigate the motion of one and two charged non-relativistic particles on a sphere in the presence of a magnetic field of uniform strength. For one particle, the motion is always circular, and determined by a simple relation between…

数学物理 · 物理学 2026-02-17 Nataliya A. Balabanova , James Montaldi

A generalization of the mean-field approach will be derived that will take into account the ion-ion as well as ion-surface non-electrostatic effects on an equal footing, being based on the bulk and surface equations of state in the absence…

软凝聚态物质 · 物理学 2018-06-20 Rudolf Podgornik

Equation of motion of Sommerfeld sphere in the field of Coulomb center is numerically investigated. It is shown that contrary to Lorentz-Dirac equation in the attractive case there are physical solutions. In the repulsive case sphere gains…

经典物理 · 物理学 2007-05-23 Alexander A. Vlasov

In this paper, we derive a general formula for the quantized fractional corner charge in two-dimensional C_n-symmetric higher-order topological insulators. We assume that the electronic states can be described by the Wannier functions and…

介观与纳米尺度物理 · 物理学 2021-05-19 Ryo Takahashi , Tiantian Zhang , Shuichi Murakami

The possibility that like-charges can attract each other under the mediation of mobile counterions is by now well documented experimentally, numerically, and analytically. Yet, obtaining exact results is in general impossible, or restricted…

统计力学 · 物理学 2016-03-29 Gabriel Tellez , Emmanuel Trizac

The empirical observation of aggregation of dielectric particles under the influence of electrostatic forces lies at the origin of the theory of electricity. The growth of clusters formed of small grains underpins a range of phenomena from…

软凝聚态物质 · 物理学 2019-07-01 Chamkor Singh , Marco G. Mazza

We calculate the non-retarded dispersion force exerted on an electrically polarizable quantum particle by a perfectly conducting toroid, which is one of the most common objects exhibiting a non-trivial topology. We employ a convenient…

量子物理 · 物理学 2021-08-26 P. P. Abrantes , Yuri França , Reinaldo de Melo e Souza , F. S. S. da Rosa , C. Farina

In a previous paper, we have developed a general theory of thermodynamic limits. We apply it here to three different Coulomb quantum systems, for which we prove the convergence of the free energy per unit volume. The first system is the…

数学物理 · 物理学 2008-12-21 Christian Hainzl , Mathieu Lewin , Jan Philip Solovej

Based on the recent work [1,2], we formulate the first law and the second law of stochastic thermodynamics in the framework of general relativity. These laws are established for a charged Brownian particle moving in a heat reservoir and…

广义相对论与量子宇宙学 · 物理学 2025-01-09 Tao Wang , Yifan Cai , Long Cui , Liu Zhao

The surface composition of charged Lennard-Jones clusters A$_N^{n+}$, composed of N particles (55 \leq N \leq 1169) among which n are positively charged with charge q, thus having a net total charge Q = nq, is investigated by Monte Carlo…

原子与分子团簇 · 物理学 2012-05-16 David A. Bonhommeau , Riccardo Spezia , Marie-Pierre Gaigeot

By using the recently generalized version of Newton Shell Theorem analytical equations are derived to calculate the electric interaction energy between two separated charged spheres surrounded outside and inside by electrolyte. This…

软凝聚态物质 · 物理学 2021-03-26 István P. Sugár

Following a conjecture of Feynman, we explore the possibility that only those energy forms that are associated with (massive or massless) particles couple to the gravitational field, but not others. We propose an experiment to deflect…

综合物理 · 物理学 2007-05-23 Murat Özer