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We analyze the properties of naturally formed nano-bubbles in Lennard-Jones molecular dynamics simulations of liquid-to-vapor nucleation in the boiling and the cavitation regimes. The large computational volumes provide a realistic…

统计力学 · 物理学 2015-06-23 Raymond Angélil , Jürg Diemand , Kyoko Tanaka , Hidekazu Tanaka

The self-diffusion coefficient of a granular gas in the homogeneous cooling state is analyzed near the shearing instability. Using mode-coupling theory, it is shown that the coefficient diverges logarithmically as the instability is…

统计力学 · 物理学 2015-07-02 J. Javier Brey , Maria J. Ruiz-Montero

Quantum droplets are ultradilute liquid states which emerge from the competitive interplay of two Hamiltonian terms, the mean-field energy and beyond-mean-field correction, in a weakly interacting binary Bose gas. We relate the formation of…

We generalize the standard computation of homogeneous nucleation theory at zero temperature to a scenario in which the bubble shape is determined self-consistently with its quantum fluctuations. Studying two scalar models in 1+1 dimensions,…

高能物理 - 唯象学 · 物理学 2009-11-10 Y. Bergner , Luis M. A. Bettencourt

Binary coagulation is an important process in aerosol dynamics by which two particles merge to form a larger one. The distribution of particle sizes over time may be described by the so-called Smoluchowski's coagulation equation. This…

数学物理 · 物理学 2021-06-25 Marina A. Ferreira

Bubbles and droplets are ubiquitous in many areas of engineering, including microfluidics where they can serve as microreactors for screening of chemical reactions. They are often formed out of a constriction (a microfluidic channel or a…

流体动力学 · 物理学 2022-10-18 Marc Grosjean , Elise Lorenceau

Flocculation is the process whereby particles (i.e., flocs) in suspension reversibly combine and separate. The process is widespread in soft matter and aerosol physics as well as environmental science and engineering. We consider a general…

偏微分方程分析 · 数学 2015-07-28 Inom Mirzaev , David M. Bortz

A systematic investigation of the phase separation dynamics in self-assembled multi-component bilayer fluid vesicles and open membranes is presented. We use large-scale dissipative particle dynamics to explicitly account for solvent,…

软凝聚态物质 · 物理学 2015-06-25 Mohamed Laradji , P. B. Sunil Kumar

We study a two-dimensional granular system where external driving force is applied to each particle in the system in such a way that the system is driven into a steady state by balancing the energy input and the dissipation due to inelastic…

统计力学 · 物理学 2009-10-30 Gongwen Peng , Takao Ohta

Epstein and Plesset's seminal work on the rate of gas bubble dissolution and growth in a simple liquid is generalized to render it applicable to a gas bubble embedded in a soft elastic medium. Both the underlying diffusion equation and the…

软凝聚态物质 · 物理学 2016-03-14 J. M. Solano-Altamirano , John D. Malcolm , Saul Goldman

We unravel the existence and stability properties of one-dimensional droplets arising in genuine two-component particle imbalanced bosonic mixtures under the influence of a weak harmonic confinement. A plethora of miscible droplet phases is…

量子气体 · 物理学 2025-02-04 Efstathios G. Charalampidis , Simeon I. Mistakidis

Self-similar solutions of the coherent diffusion equation are derived and measured. The set of real similarity solutions is generalized by the introduction of a nonuniform phase surface, based on the elegant Gaussian modes of optical…

量子物理 · 物理学 2015-05-19 O. Firstenberg , P. London , D. Yankelev , R. Pugatch , M. Shuker , N. Davidson

The present paper considers the full nonlinear dynamics of a homogeneous bubble inside an unbounded isentropic compressible inviscid liquid. This model is described by a free-boundary problem of compressible Euler equations with nonlinear…

偏微分方程分析 · 数学 2025-03-12 Liangchen Zou

Heterogeneous growth plays an important role in the shape and pattern formation of thin elastic structures ranging from the petals of blooming lilies to the cell walls of growing bacteria. Here we address the stability and regulation of…

软凝聚态物质 · 物理学 2018-06-05 Salem Al Mosleh , Ajay Gopinathan , Christian Santangelo

Self_organization of hydrogen bubbles is reported under etching of metallic Aluminum in a weakly basic solution. The ascending gas bubbles drift to the areas with higher density of bubbles due to pressure difference. As a result, ascending…

其他凝聚态物理 · 物理学 2013-05-29 M. E. Shcherbina , E. V. Barmina , P. G. Kuzmin , G. A. Shafeev

We consider the curvature driven dynamics of a domain wall separating two equivalent states in systems displaying a modulational instability of a flat front. We derive an amplitude equation for the dynamics of the curvature close to the…

斑图形成与孤子 · 物理学 2009-11-07 Damia Gomila , Pere Colet , Gian-Luca Oppo , Maxi San Miguel

We study the problem of the stability of a two-component droplet. The standard solution known from the literature is based on a particular form of the mean field energy functional, in particular on distinction of hard mode and soft mode…

量子气体 · 物理学 2021-01-18 Paweł Zin , Maciej Pylak , Mariusz Gajda

We study the evolution of radiating and viscous fluid spheres assuming an additional homothetic symmetry on the spherically simmetric space--time. We match a very simple solution to the symmetry equations with the exterior one (Vaidya). We…

广义相对论与量子宇宙学 · 物理学 2015-06-25 W. Barreto , J. Ovalle , B. Rodriguez

In this paper we consider a system of equations that describes a class of mass-conserving aggregation phenomena, including gravitational collapse and bacterial chemotaxis. In spatial dimensions strictly larger than two, and under the…

偏微分方程分析 · 数学 2009-11-10 Ignacio A. Guerra , Mark A. Peletier

False-vacuum decay between two morphologically distinct supersolid phases via bubble nucleation is studied in a uniform dipolar gas confined to the plane. Starting from a metastable honeycomb state, the formation of stripe phase domains is…

量子气体 · 物理学 2026-04-14 Wyatt Kirkby , Lauriane Chomaz , Thomas Gasenzer