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相关论文: Dispersity-Driven Melting Transition in Two Dimens…

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We study the solid-to-liquid transition in a two-dimensional fully periodic soft-glassy model with an imposed spatially heterogeneous stress. The model we consider consists of droplets of a dispersed phase jammed together in a continuous…

软凝聚态物质 · 物理学 2018-06-06 Matteo Lulli , Roberto Benzi , Mauro Sbragaglia

We use a Fundamental-Measure density functional for hard board-like polydisperse particles, in the restricted-orientation approximation, to explain the phase behaviour of platelet colloidal suspensions studied in recent experiments. In…

软凝聚态物质 · 物理学 2015-06-05 Yuri Martinez Raton , Enrique Velasco

The properties of hydrogen at high pressure have wide implications in astrophysics and high-pressure physics. Its phase change in the liquid is variously described as a metallization, H2-dissociation, density discontinuity or plasma phase…

材料科学 · 物理学 2020-03-17 Hua Y. Geng , Q. Wu , Miriam Marqués , Graeme J. Ackland

The nature of freezing and melting transitions for a system of hard disks in a spatially periodic external potential is studied using extensive Monte Carlo simulations. Detailed finite size scaling analysis of various thermodynamic…

统计力学 · 物理学 2009-10-31 W. Strepp , S. Sengupta , P. Nielaba

This is a summarising investigation of the events of the phase transition of the first order that occur in the critical region below the liquid-gas critical point. The grand partition function has been completely integrated in the…

统计力学 · 物理学 2015-01-13 I. R. Yukhnovskii

We have investigated by molecular dynamics method the influence of a finite number of particles used in computer simulations on fluctuations of thermodynamic properties. As a case study, we used the two-dimensional Lennard-Jones system. 2D…

统计力学 · 物理学 2024-03-05 M. V. Kondrin , Y. B. Lebed

The phase behavior of a model suspension of colloidal polydisperse platelets is studied using density-functional theory. Platelets are modelled as parallel rectangular prisms of square section $l$ and height $h$, with length and height…

软凝聚态物质 · 物理学 2016-07-06 Enrique Velasco , Yuri Martinez-Raton

A significant amount of attention was dedicated in recent years to the phenomenon of jamming of athermal amorphous solids by increasing the volume fraction of the microscopic constituents. At a critical value of the volume fraction,…

软凝聚态物质 · 物理学 2023-05-03 Yuliang Jin , Itamar Procaccia , Tuhin Samanta

We use computer simulations to study the microscopic dynamics of an athermal assembly of soft particles near the fluid-to-solid, jamming transition. Borrowing tools developed to study dynamic heterogeneity near glass transitions, we…

材料科学 · 物理学 2010-06-24 Claus Heussinger , Ludovic Berthier , Jean-Louis Barrat

We investigate - with Monte Carlo computer simulations - the phase behaviour of dimeric colloidal molecules on periodic substrates with square symmetry. The molecules are formed in a two-dimensional suspension of like charged colloids…

软凝聚态物质 · 物理学 2015-06-04 Samir El Shawish , Emmanuel Trizac , Jure Dobnikar

We report a joint simulation and theoretical study of the liquid-vapor phase behaviour of a fluid in which polydispersity in the particle size couples to the strength of the interparticle interactions. Attention is focussed on the case in…

统计力学 · 物理学 2009-11-11 Nigel B. Wilding , Peter Sollich , Moreno Fasolo , Matteo Buzzacchi

The random disorder can drastically change the melting scenario of two-dimensional systems and has to be taken into account in the interpretation of the experimental results. We present the results of the molecular dynamics simulations of…

软凝聚态物质 · 物理学 2016-08-19 E. N. Tsiok , Yu. D. Fomin , V. N. Ryzhov

We test the validity of some widely used phenomenological criteria for the localization of the fluid-solid transition thresholds against the phase diagrams of particles interacting through the exp-6, inverse-power-law, and Gaussian…

软凝聚态物质 · 物理学 2011-10-25 Franz Saija , Santi Prestipino , Paolo V. Giaquinta

We have studied the breakup and subsequent fluid flow in very thin films of partially wetting liquid on solid substrates, using molecular dynamics simulations. The liquid is made of short chain molecules interacting with Lennard-Jones…

软凝聚态物质 · 物理学 2009-10-31 Joel Koplik , Jayanth R. Banavar

We investigate the calorimetric liquid-glass transition by performing simulations of a binary Lennard-Jones mixture in one through four dimensions. Starting at a high temperature, the systems are cooled to T=0 and heated back to the ergodic…

无序系统与神经网络 · 物理学 2009-01-01 Ralf Brüning , Denis A. St-Onge , Steve Patterson , Walter Kob

We use a theoretical model to explore how fluid dynamics, in particular, the pressure gradient and wall shear stress in a channel, affect the deposition of particles flowing in a microfluidic network. Experiments on transport of colloidal…

软凝聚态物质 · 物理学 2023-03-28 Gess Kelly , Navid Bizmark , Bulbul Chakraborty , Sujit S. Datta , Thomas G. Fai

We present a comparative computer simulation study of the phase diagrams and anomalous behavior of two-dimensional ($2D$) and quasi-two-dimensional ($q2D$) classical particles interacting with each other through isotropic core-softened…

软凝聚态物质 · 物理学 2019-06-14 Yu. D. Fomin , E. N. Tsiok , V. N. Ryzhov

Fully three-dimensional, time-dependent, direct simulations of the non-ideal Navier-Stokes equations for a two-component fluid, shed light into the mechanism which inhibits droplet breakup in step emulsifiers below a critical threshold of…

流体动力学 · 物理学 2019-10-18 Andrea Montessori , Marco Lauricella , Elad Stolovicki , David Weitz , Sauro Succi

We report the results of molecular dynamics (MD) simulations of a complete monolayer of hexane physisorbed onto the basal plane of graphite. At low temperatures the system forms a herringbone solid. With increasing temperature, a solid to…

软凝聚态物质 · 物理学 2009-11-10 M. W. Roth , C. L. Pint , Carlos Wexler

I study the effect of length polydispersity in the surface phase diagram of hard rods interacting with a hard wall. The properly extended interface Gibbs-Duhem equation for a polydisperse system allows us to predict the behaviour of the…

软凝聚态物质 · 物理学 2007-05-23 Y. Martinez-Raton
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