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The paper proposes a new fragmentation mechanism of dendrite arms. The theoretical basis of this mechanism is a shift in the thermodynamical equilibrium at the solid-liquid interface due to the presence of elastic energy. This effect is…

材料科学 · 物理学 2008-10-14 S. Ananiev , P. Nikrityuk , K. Eckert

Spontaneous nucleation and the consequent penetration of vortices into thin superconducting films and wires, subjected to a magnetic field, can be considered as a nonlinear stage of primary instability of the current-carrying…

supr-con · 物理学 2009-10-28 I. Aranson , M. Gitterman , B. Ya. Shapiro

At the beginning of last century, Gerlach and Lehrer observed the rotational Brownian motion of a very fine wire immersed in an equilibrium environment, a gas. This simple experiment eventually permitted the full development of one of the…

统计力学 · 物理学 2009-11-10 G. D'Anna , P. Mayor , A. Barrat , V. Loreto , F. Nori

This article investigates the lateral vibration and resonance of bridges, crucial for transportation network integrity and traffic safety. It aims to understand the underlying principles and causes of these vibrations to enhance bridge…

系统与控制 · 电气工程与系统科学 2023-11-21 Zhang Jianan , Wang yiyi , Duan Hongyi , Li Yuchen

On a dense energy grid reaching up to 75 meV electron collision energy the fragmentation angle and the kinetic energy release of neutral dissociative recombination fragments have been studied in a twin merged beam experiment. The anisotropy…

The physics of tightly packed structures of a wire and other threadlike materials confined in cavities has been explored in recent years in connection with crumpled systems and a number of topics ranging from applications to DNA packing in…

软凝聚态物质 · 物理学 2017-03-17 Thiago A Sobral , Marcelo A F Gomes , Núbia R Machado , Valdemiro P Brito

Electromigration phenomena in metallic lines are studied by using a biased resistor network model. The void formation induced by the electron wind is simulated by a stochastic process of resistor breaking, while the growth of mechanical…

统计力学 · 物理学 2009-11-10 C. Pennetta , E. Alfinito , L. Reggiani , F. Fantini , I. DeMunari , A. Scorzoni

Progressive damage, which eventually leads to failure, is ubiquitous in biological and synthetic polymers. The simplest case to consider is that of elastomeric materials, which can undergo large reversible deformations with negligible rate…

软凝聚态物质 · 物理学 2018-02-14 Brandon Talamini , Yunwei Mao , Lallit Anand

The breakup of thinning (stretching) liquid ligaments is strongly influenced by localized perturbations arising from impurities or suspended particles. Using numerical simulations and analytical modelling, we investigate the role of a solid…

流体动力学 · 物理学 2026-05-20 Sanjay Shukla , Federico Toschi

We study the resistance fluctuation distribution of a thin film near electrical breakdown. The film is modeled as a stationary resistor networkunder biased percolation. Depending on the value of the external current,on the system sizes and…

凝聚态物理 · 物理学 2009-11-10 C. Pennetta , E. Alfinito , L. Reggiani , S. Ruffo

Capturing the dynamics of granular flows at intermediate length scales can often be difficult. We propose studying the dynamics of contact networks as a new tool to study fracture at intermediate scales. Using experimental three-dimensional…

软凝聚态物质 · 物理学 2012-08-17 Mark Herrera , Shane McCarthy , Steven Slotterback , Emmanuel Cephas , Wolfgang Losert , Michelle Girvan

We address the microscopic origin of the current-induced forces by analyzing results of first principles density functional calculations of atomic gold wires connected to two gold electrodes with different electrochemical potentials. We…

材料科学 · 物理学 2009-11-07 Mads Brandbyge , Kurt Stokbro , Jeremy Taylor , Jose-Luis Mozos , Pablo Ordejon

It is assumed, that the clumps of lines do not connected with states mixing and IVR, but they are the result of breaking (destruction) of the process of averaging of momentum of inertia of molecules during the vibration motion of atoms.…

光学 · 物理学 2007-05-23 V. A. Kuz'menko

Application of a strong electric field to insulators induces a finite current. This phenomenon is called dielectric breakdown and is known as a fundamental nonequilibrium and nonlinear transport phenomenon in solids. Here, we study the…

强关联电子 · 物理学 2025-11-26 Kazuaki Takasan , Masaya Nakagawa , Norio Kawakami

A spin wave is the disturbance of intrinsic spin order in magnetic materials. In this paper, a spin wave in the Landau-Lifshitz-Gilbert equation is obtained based on the assumption that the spin wave maintains its shape while it propagates…

介观与纳米尺度物理 · 物理学 2019-10-25 Zhiwei Sun , Jingrun Chen

In the present paper, we study the superconducting wire. It is known from Maxwell equations that the current creates magnetic field that suppresses superconductivity and wire starts to conduct with resistance. We consider the time dependent…

超导电性 · 物理学 2025-04-01 Naoum Karchev

We force a single particle through a two-dimensional simulated glass. We find that the particle velocity obeys a robust power law that persists to drives well above threshold. As the single driven particle moves, it induces cooperative…

软凝聚态物质 · 物理学 2009-11-07 M. B. Hastings , C. J. Olson Reichhardt , C. Reichhardt

In this work, we present an experimental investigation of the fuse model. Our main goal was to study the influence of the disorder on the fracture process. The experimental apparatus used consisted of an $L\times L$ square lattice with…

统计力学 · 物理学 2009-11-11 D. R. Otomar , I. L. Menezes-Sobrinho , M. S Couto

Processes of propagation and interaction of nonlinear gravity-capillary waves on the free surface of a deep non-conducting liquid with high dielectric constant under the action of a tangential electric field are numerically simulated. The…

流体动力学 · 物理学 2018-10-10 Evgeny A. Kochurin , Nikolay M. Zubarev

There has been much controversy over weak and strong emergence in physics and biology. As pointed out by Phil Anderson in many papers, the existence of broken symmetries is the key to emergence of properties in much of solid state physics.…

物理学史与哲学 · 物理学 2020-10-28 George F R Ellis