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We numerically demonstrate and characterize the emergence of distinct dynamical regimes of a finite temperature bosonic superfluid in an elongated Josephson junction generated by a thin Gaussian barrier over the entire temperature range…

量子气体 · 物理学 2026-05-18 Klejdja Xhani , Nikolaos P. Proukakis

We describe several experimental methods to quantify dynamics in electron glasses and illustrate their use in the glassy phase of crystalline indium-oxide films. These methods are applied to study the dependence of dynamics on temperature…

无序系统与神经网络 · 物理学 2009-11-11 Z. Ovadyahu

An effective temperature $T_{\rm eff}$ which differs from the bath temperature is believed to play an essential role in the theory of elasto-plasticity of amorphous solids. The definition of a measurable $T_{\rm eff}$ in the literature on…

统计力学 · 物理学 2015-05-14 Laurent Boue' , H. G. E. Hentschel , Itamar Procaccia , Ido Regev , Jacques Zylberg

The interfacial thermal resistance determines condensation-evaporation processes and thermal transport across material-fluid interfaces. Despite its importance in transport processes, the interfacial structure responsible for the thermal…

软凝聚态物质 · 物理学 2017-08-02 Jordan Muscatello , Enrique Chacón , Pedro Tarazona , Fernando Bresme

A roughly constant temperature over a wide range of densities is maintained in molecular clouds through radiative heating and cooling. An isothermal equation of state is therefore frequently employed in molecular cloud simulations. However,…

天体物理学 · 物理学 2009-11-11 G. Pavlovski , M. D. Smith , M. -M. Mac Low

Surface bubbles have attracted much interest in the past decades. In this article, we propose to explore the lifetime and thinning dynamics of centimetric surface bubbles. We study the impact of the bubbles size as well as that of the…

软凝聚态物质 · 物理学 2020-05-28 Jonas Miguet , Marina Pasquet , Florence Rouyer , Yuan Fang , Emmanuelle Rio

We study experimentally temperature fluctuations in stably stratified forced turbulence in air flow. In the experiments with an imposed vertical temperature gradient, the turbulence is produced by two oscillating grids located nearby the…

流体动力学 · 物理学 2013-08-19 A. Eidelman , T. Elperin , I. Gluzman , N. Kleeorin , I. Rogachevskii

We experimentally study the dynamics of a degenerate one-dimensional Bose gas that is subject to a continuous outcoupling of atoms. Although standard evaporative cooling is rendered ineffective by the absence of thermalizing collisions in…

Local thermal instability can plausibly explain the formation of multiphase gas in many different astrophysical environments, but the theory is only well understood in the optically thin limit of the equations of radiation hydrodynamics…

高能天体物理现象 · 物理学 2022-09-07 Daniel Proga , Tim Waters , Sergei Dyda , Zhaohuan Zhu

The improvements of the knowledge of the seismic structure of the inner core and the complexities thereby revealed ask for a dynamical origin. Sub-solidus convection was one of the early suggestions to explain the seismic anisotropy, but it…

地球物理 · 物理学 2014-08-12 Stéphane Labrosse

We consider evaporation of pure liquid drops on a thermally conductive substrate. Two evaporative models are considered: one that concentrates on the liquid phase in determining evaporative flux, and the other one that centers on the…

流体动力学 · 物理学 2008-10-23 Nebojsa Murisic , Lou Kondic

The motion of a fluid induced by thermal gradients in the absence of driving forces is known as thermo-osmosis. The physical explanation of this phenomenon stems from the emergence of gradients in the tangential pressure due to the presence…

统计力学 · 物理学 2024-11-13 Pietro Anzini , Zeno Filiberti , Alberto Parola

We study the low-temperature thermodynamics of weakly-interacting uniform liquids in one-dimensional attractive Bose-Bose mixtures.~The Bogoliubov approach is used to simultaneously describe quantum and thermal fluctuations. First, we…

量子气体 · 物理学 2021-04-13 Giulia De Rosi , Grigori E. Astrakharchik , Pietro Massignan

The presence of thermal gradients in alloys often leads to non-uniformity in concentration profiles, which can induce the thermomigration of microstructural features such as precipitates. To investigate such microstructural changes, we…

材料科学 · 物理学 2024-06-04 Sandip Guin , Soumya Bandyopadhyay , Saswata Bhattacharyya , Rajdip Mukherjee

In the Leidenfrost effect, liquid drops deposited on a hot surface levitate on a thin vapor cushion fed by evaporation of the liquid. This vapor layer forms a concave depression in the drop interface. Using laser-light interference coupled…

软凝聚态物质 · 物理学 2018-02-21 J. C. Burton , A. L. Sharpe , R. C. A. van der Veen , A. Franco , S. R. Nagel

We present a theoretical interpretation of the recently revealed features of temperature evolution in the ultracold plasma clouds released from a magneto-optical trap, namely: (a) its independence at the sufficiently large times on the…

等离子体物理 · 物理学 2009-05-12 Yurii V. Dumin

The control of the thermocapillary assembly of colloidal particle clusters is important for a variety of applications, including the creation of photonic crystals for microelectronics and optoelectronics, membrane formation for…

软凝聚态物质 · 物理学 2026-03-20 Kristina N. Kondrashova , Konstantin S. Kolegov , Irina V. Vodolazskaya

The evaporation of vapor bubbles inside a microchannel is important to realize a device with high cooling performance. The liquid film formed on the solid surface is essential for evaporative heat transfer from solid to fluid; its formation…

流体动力学 · 物理学 2019-03-25 Junnosuke Okajima , Peter Stephan

We study the effects of time-dependent substrate/film temperature in the deposition of a mesoscopically thick film using a statistical model that accounts for diffusion of adatoms without lateral neighbors whose coefficients depend on an…

统计力学 · 物理学 2013-10-30 T. A. de Assis , F. D. A. A. Reis

There is an ever-growing need for predictive models for the elasto-viscoplastic deformation of solids. Our goal in this paper is to incorporate recently developed out-of-equilibrium statistical concepts into a thermodynamically consistent,…

材料科学 · 物理学 2015-06-18 Ken Kamrin , Eran Bouchbinder