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相关论文: Phase Diagram and Structure Map of Binary Nanopart…

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The equilibrium conformations of a flexible permanent magnetic chain that consists of a sequence of linked magnetic colloidal nanoparticles with short-ranged Lennard-Jones attractive interactions (Stockmayer polymer) are thoroughly analysed…

软凝聚态物质 · 物理学 2014-05-23 Joan J. Cerdà , Pedro A. Sánchez , Christian Holm , Tomàs Sintes

A modification of structural phase-field crystal (XPFC) model for an arbitrary pair interaction potential is presented. Formation of 1D and 2D structures for the Lennard-Jones (LJ) potential was studied numerically. The equilibrium lattice…

材料科学 · 物理学 2022-07-07 V. Ankudinov

A theoretical model of shape-anisometric particles embedded in a cubic lattice is formulated for binary mixtures combining rod-like, plate-like and spherical particles. The model aims at providing a tool for the prediction and…

软凝聚态物质 · 物理学 2011-05-31 Stavros Peroukidis , Alexandros G. Vanakaras , Demetri J. Photinos

We study binary mixtures of ultra-cold atoms, confined to one dimension in an optical lattice, with commensurate densities. Within a Luttinger liquid description, which treats various mixtures on equal footing, we derive a system of…

其他凝聚态物理 · 物理学 2013-05-29 L. Mathey

We report a computer-simulation study of the equilibrium phase diagram of a three-dimensional system of particles with a repulsive step potential. Using free-energy calculations, we have determined the equilibrium phase diagram of this…

软凝聚态物质 · 物理学 2009-11-13 Yu. D. Fomin , Daan Frenkel , N. V. Gribova , V. N. Ryzhov , S. M. Stishov

In a recent article, Wang et al (Phys. Chem. Chem. Phys., 22, 10624 (2020)) introduced a new class of interparticle potential for molecular simulations. The potential is defined by a single range parameter, eliminating the need to decide…

统计力学 · 物理学 2023-11-08 Olivia S. Moro , Vincent Ballenegger , Tom L. Underwood , Nigel B. Wilding

The Lennard-Jones potential is perhaps one of the most widely-used models for the interaction of uncharged particles, such as noble gas solids. The phase diagram of the classical LJ solid is known to exhibit transitions between hcp and fcc…

材料科学 · 物理学 2020-06-16 Heather Wiebe , Tom L. Underwood , Graeme J. Ackland

A smooth path of rearrangement from the body-centered cubic (bcc) to the face-centered cubic (fcc) lattice is obtained by introducing a single parameter to cuboidal lattice vectors. As a result, we obtain analytical expressions in terms of…

材料科学 · 物理学 2021-09-29 Antony Burrows , Shaun Cooper , Peter Schwerdtfeger

The phase diagram of binary mixtures of particles interacting via a pair potential of parallel dipoles is computed at zero temperature as a function of composition and the ratio of their magnetic susceptibilities. Using lattice sums, a rich…

软凝聚态物质 · 物理学 2009-11-13 Lahcen Assoud , René Messina , Hartmut Löwen

The self-assembly of binary nanoparticle superlattices from colloidal mixtures is a promising method for the fabrication of complex colloidal co-crystal structures. However, binary mixtures often form amorphous or metastable phases instead…

软凝聚态物质 · 物理学 2022-05-11 R. Allen LaCour , Timothy C. Moore , Sharon C. Glotzer

The gas-liquid phase transition of the three-dimensional Lennard-Jones particles system is studied by molecular dynamics simulations. The gas and liquid densities in the coexisting state are determined with high accuracy. The critical point…

统计力学 · 物理学 2013-11-28 Hiroshi Watanabe , Nobuyasu Ito , Chin-Kun Hu

The ground-state of two-dimensional (2D) systems of classical particles interacting pairwisely by the generalized Lennard-Jones potential is studied. Taking the surface area per particle $A$ as a free parameter and restricting oneself to…

其他凝聚态物理 · 物理学 2019-05-22 Igor Travěnec , Ladislav Šamaj

A class of binary mixtures of Janus fluids formed by colloidal spheres with the hydrophobic hemispheres constrained to point either up or down are studied by means of Gibbs ensemble Monte Carlo simulations and simple analytical…

软凝聚态物质 · 物理学 2013-11-14 Riccardo Fantoni , Achille Giacometti , Miguel Ángel G. Maestre , Andrés Santos

Studying physical mechanisms and common geometric principles underlying known spherical packings is crucial for rational design of synthetic nanocontainers. Here we model the growth of small spherical shells containing n<72 identical…

软凝聚态物质 · 物理学 2026-03-16 Ivan Yu. Golushko , Olga V. Konevtsova , Daria S. Roshal , Sergei B. Rochal

We study a system of heteronuclear molecules on a triangular lattice and analyze the potential of this system for the experimental realization of a supersolid phase. The ground state phase diagram contains superfluid, solid and supersolid…

统计力学 · 物理学 2015-05-13 L. Pollet , J. D. Picon , H. P. Buechler , M. Troyer

We use simulation-based supervised machine learning and classical density functional theory to investigate bulk and interfacial phenomena associated with phase coexistence in binary mixtures. For a prototypical symmetrical Lennard-Jones…

软凝聚态物质 · 物理学 2025-10-23 Silas Robitschko , Florian Sammüller , Matthias Schmidt , Robert Evans

Phase separation in binary mixtures in the presence of Janus particles has been studied in terms of a Cahn-Hilliard model coupled to the Langevin equations describing the particle dynamics. We demonstrate that the phase separation process…

软凝聚态物质 · 物理学 2015-06-17 Alexei Krekhov , Vanessa Weith , Walter Zimmermann

We study a system of ultra-cold fermionic polar molecules in a two-dimensional square lattice interacting via both the long-ranged dipole-dipole interaction and a short-ranged on-site attractive interaction. Singlet superfluid, charge…

量子气体 · 物理学 2015-05-27 Liang He , Walter Hofstetter

We have carried out extensive equilibrium molecular dynamics (MD) simulations to investigate the Liquid-Vapor coexistence in partially miscible binary and ternary mixtures of Lennard-Jones (LJ) fluids. We have studied in detail the time…

软凝聚态物质 · 物理学 2009-11-10 Enrique Diaz-Herrera , Guillermo Ramirez-Santiago , Jose A. Moreno-Razo

To learn about basic aspects of nano-scale spherical molecular shells during their formation, spherically curved two-dimensional N-particle Lennard-Jones systems are simulated, studying curvature evolution paths at zero-temperature. For…

原子与分子团簇 · 物理学 2009-11-11 J. M. Voogd , P. M. A. Sloot , R. van Dantzig
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