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All-atom molecular dynamics has been recently proven a useful tool for the study of supramolecular polymers. While the high resolution offered by the atomistic models may allow for deep comprehension of the assembled structure, obtaining a…

软凝聚态物质 · 物理学 2018-04-20 Davide Bochicchio , Giovanni M. Pavan

The phoretic Brownian dynamics method is shown here to be an effective approach to simulate the properties of colloidal chemophoretic based systems. The method is then optimized to allow for the comparison with results from multiparticle…

软凝聚态物质 · 物理学 2024-06-17 Surabhi Jaiswal , Marisol Ripoll , Snigdha Thakur

Molecular dynamics (MD) simulations of ions (K$^+$, Na$^+$, Ca$^{2+}$ and Cl$^-$) in aqueous solutions are investigated. Water is described using the SPC/E model. A stochastic coarse-grained description for ion behaviour is presented and…

计算物理 · 物理学 2016-04-27 Radek Erban

We present the statistical method to study the interaction between a chosen protein and another molecule (e.g., both being components of lubricin found in synovial fluid) in a water environment. The research is performed on the example of…

The current computational study investigates the changes in solvation dynamics of water when introducing hydrophobic side chains to the molecular probe N-methyl-6-oxyquinolinium betaine. High precision transient fluorescence and absorption…

化学物理 · 物理学 2021-05-20 Esther Heid , Christian Schröder

Acid-base reactions are ubiquitous in nature. Understanding their mechanisms is crucial in many fields, from biochemistry to industrial catalysis. Unfortunately, experiments only give limited information without much insight into the…

化学物理 · 物理学 2022-06-08 Emanuele Grifoni , GiovanniMaria Piccini , Michele Parrinello

The dynamics of a physical gel, namely the Low Molecular Mass Organic Gelator {\textit Methyl-4,6-O-benzylidene-$\alpha$ -D-mannopyranoside ($\alpha$-manno)} in water and toluene are probed by neutron scattering. Using high gelator…

软凝聚态物质 · 物理学 2015-02-06 Sylvie Spagnoli , Isabelle Morfin , Miguel A. Gonzalez , Pierre Carcabal , Marie Plazanet

Molecular dynamics simulation is used to investigate the crystallization of a classical two-dimensional electron system, in which electrons interact with the Coulomb repulsion. From the positional and the orientational correlation…

凝聚态物理 · 物理学 2009-10-31 Satoru Muto , Hideo Aoki

Investigating atom-surface interactions is the key to an in-depth understanding of chemical processes at interfaces, which are of central importance in many fields -- from heterogeneous catalysis to corrosion. In this work, we present a…

化学物理 · 物理学 2023-12-18 Martin Liebetrau , Yvonne Dorenkamp , Oliver Bünermann , Jörg Behler

We study soliton dynamics in a system of two linearly coupled discrete nonlinear Schr\"odinger equations, which describe the dynamics of a two-component Bose gas, coupled by an electromagnetic field, and confined in a strong optical…

斑图形成与孤子 · 物理学 2009-04-20 A. Trombettoni , H. E. Nistazakis , Z. Rapti , D. J. Frantzeskakis , P. G. Kevrekidis

We use molecular dynamics simulations to study the evaporation of particle-laden droplets on a heated surface. The droplets are composed of a Lennard-Jones fluid containing rigid particles which are spherical sections of an atomic lattice,…

软凝聚态物质 · 物理学 2015-06-04 Weikang Chen , Joel Koplik , Ilona Kretzschmar

Using numerical simulations, we study the non-equilibrium coarsening dynamics of a binary solvent around spherical colloids in the presence of a temperature gradient. The coarsening dynamics following a temperature quench is studied by…

软凝聚态物质 · 物理学 2020-02-20 Moritz Wilke

The understanding of dynamics and functioning of biological membranes and in particular of membrane embedded proteins is one of the most fundamental problems and challenges in modern biology and biophysics. In particular the impact of…

生物物理 · 物理学 2009-12-27 Maikel C. Rheinstadter

Acid ionization in aprotic media is studied using Molecular Dynamics techniques. In particular, models for HCl ionization in acetonitrile and dimethylsulfoxide are investigated. The proton is treated quantum mechanically using Feynman path…

chem-ph · 物理学 2009-10-28 Daniel Laria , Raymond Kapral , Dario Estrin , Giovanni Ciccotti

We present a ``coarse molecular dynamics'' approach and apply it to studying the kinetics and thermodynamics of a peptide fragment dissolved in water. Short bursts of appropriately initialized simulations are used to infer the deterministic…

化学物理 · 物理学 2009-11-07 Gerhard Hummer , Ioannis G. Kevrekidis

Because of consuming energy to drive their motion, systems of active colloids are intrinsically out of equilibrium. In the past decade, a variety of intriguing dynamic patterns have been observed in systems of active colloids, and they…

软凝聚态物质 · 物理学 2020-04-16 Zhan Ma , Mingcheng Yang , Ran Ni

The spectroscopy and structural dynamics of a deep eutectic mixture (KSCN/acetamide) with varying water content is investigated from 2D IR (with the C-N stretch vibration of the SCN$^-$ anions as the reporter) and THz spectroscopy.…

Lithium chloride LiCl is widely used as a prototype system to study the strongly dissociated 1-1 electrolyte solution. Here, we combined experimental measurements and classical molecular dynamics simulations to study the ion conduction in…

软凝聚态物质 · 物理学 2019-05-14 Are Yllö , Chao Zhang

Event-driven molecular dynamics simulations are carried out on two rigid body systems which differ in the symmetry of their molecular mass distributions. First, simulations of methane in which the molecules interact via discontinuous…

This computational experiment demonstrates that chain melting in lipids is a molecular process. BOMD is certainly the best method to reproduce such dynamics properties, since the electronic contributions to the various molecular structures…