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The magnitude of finite-size effects and Coulomb interactions in quantum Monte Carlo simulations of van der Waals interactions between weakly bonded benzene molecules are investigated. To that extent, two trial wave functions of the…

软凝聚态物质 · 物理学 2018-05-23 S. Azadi , T. D. Kühne

We describe a lattice Boltzmann algorithm to simulate liquid crystal hydrodynamics. The equations of motion are written in terms of a tensor order parameter. This allows both the isotropic and the nematic phases to be considered. Backflow…

软凝聚态物质 · 物理学 2009-10-31 Colin Denniston , Enzo Orlandini , J. M. Yeomans

We use Monte Carlo and molecular dynamics simulations to study phase behavior and transport properties in a symmetric binary fluid where particles interact via Lennard-Jones potential. Our results for the critical behavior of collective…

统计力学 · 物理学 2018-03-09 Sutapa Roy , Subir K. Das

The non-exponential character of the structural relaxation is considered one of the hallmarks of the glassy dynamics and in this context, the singular shape observed by dielectric techniques has attracted the attention of the community for…

软凝聚态物质 · 物理学 2023-05-17 Silvia Arrese-Igor , Angel Alegria , Juan Colmenero

We introduce a mesoscopic three-dimensional Lattice Boltzmann Model which attempts to mimick the physical features associated with cage effects in dynamically heterogeneous fluids. To this purpose, we extend the standard Lattice Boltzmann…

软凝聚态物质 · 物理学 2009-11-11 A. Lamura , S. Succi

Chemistry is about chemical reactions. Chemistry is about electrons changing their configurations as atoms and molecules react. Chemistry studies reactions as if they occurred in ideal infinitely dilute solutions. But most reactions occur…

生物大分子 · 定量生物学 2013-06-26 Bob Eisenberg

We account for the presence of surface charges towards describing variations in the dynamic contact angle of an advancing liquid-gas meniscus. Starting from the thin-film based formalism, we present closed-form analytical expressions…

流体动力学 · 物理学 2015-09-11 Palash V. Acharya , Kaustav Chaudhury , Suman Chakraborty

Interactions between rigid inclusions in continuous three-dimensional linearly elastic solids and low-Reynolds-number viscous fluids have largely been quantified during the past. Prime example systems are given by functionalized elastic…

软凝聚态物质 · 物理学 2022-02-25 Sonja K. Richter , Andreas M. Menzel

We investigate the coupled dynamics of charge and energy in interacting lattice models with dipole conservation. We formulate a generic hydrodynamic theory for this combination of fractonic constraints and numerically verify its…

量子气体 · 物理学 2022-05-31 A. G. Burchards , J. Feldmeier , A. Schuckert , M. Knap

The free interface separating an exterior, viscous fluid from an intrusive conduit of buoyant, less viscous fluid is known to support strongly nonlinear solitary waves due to a balance between viscosity-induced dispersion and…

斑图形成与孤子 · 物理学 2016-07-01 Nicholas K. Lowman , Mark A. Hoefer , Gennady A. El

Competition between short- and long-range interactions underpins many emergent phenomena in nature. Despite rapid progress in their experimental control, computational methods capable of accurately simulating open quantum many-body systems…

量子物理 · 物理学 2026-02-11 Dawid A. Hryniuk , Marzena H. Szymańska

Traditional derivations of the van der Waals equation typically use standard recipes involving ensemble averages of statistical mechanics. In this work, we study a box of weakly interacting gas particles in one-dimension from a purely…

统计力学 · 物理学 2018-09-28 Chung-Yang Wang , Yih-Yuh Chen

We present a continuum theory of electrolytes composed of a waterlike solvent and univalent ions. First, we start with a density functional $\cal F$ for the coarse-grained solvent, cation, and anion densities, including the Debye-H\"uckel…

软凝聚态物质 · 物理学 2020-08-20 Ryuichi Okamoto , Kenichiro Koga , Akira Onuki

We use appropriately defined short ranged reference models of liquid water to clarify the different roles local hydrogen bonding, van der Waals attractions, and long ranged electrostatic interactions play in the solvation and association of…

统计力学 · 物理学 2015-02-20 Richard C. Remsing , John D. Weeks

The transport of particles across lipid-bilayer membranes is important for biological cells to exchange information and material with their environment. Large particles often get wrapped by membranes, a process which has been intensively…

软凝聚态物质 · 物理学 2024-06-04 Jiarul Midya , Thorsten Auth , Gerhard Gompper

We investigate liquid layers adsorbed at spherical and corrugated cylindrical substrates. The effective Hamiltonians for the liquid-gas interfaces fluctuating in the presence of such curved substrates are derived via the mean-field density…

软凝聚态物质 · 物理学 2015-05-13 F. Dutka , M. Napiorkowski

Energy functions for pure and heterogenous systems are one of the backbones for molecular simulation of condensed phase systems. With the advent of machine learned potential energy surfaces (ML-PESs) a new era has started. Statistical…

By reinforcing the interaction energy of the liquid with respect to the surface using total wetting boundary conditions, the response of liquids to mechanical shear stress is stronger and exhibits at sub-millimeter scale elastic properties.…

软凝聚态物质 · 物理学 2022-07-29 Eni Kume , Peter Dunne , Nicolas Martin , Patrick Baroni , Laurence Noirez

We study dynamics and thermodynamics of ion channels, considered as effective 1D Coulomb systems. The long range nature of the inter-ion interactions comes about due to the dielectric constants mismatch between the water and lipids,…

统计力学 · 物理学 2021-02-05 Tobias Gulden , Alex Kamenev

We present a lattice-gas (generalised Ising) model for liquid droplets on solid surfaces. The time evolution in the model involves two processes: (i) Single-particle moves which are determined by a kinetic Monte Carlo algorithm. These…

软凝聚态物质 · 物理学 2019-11-06 Mounirah Areshi , Dmitri Tseluiko , Andrew J. Archer