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相关论文: Core-softened water-alcohol mixtures: the solute-s…

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We present results of molecular dynamics simulations of strong, flexible polyelectrolyte chains in solution with added salt. The effect of added salt on the polyelectrolyte chain structure is fully treated for the first time as a function…

软凝聚态物质 · 物理学 2008-02-03 Mark J. Stevens , Steve Plimpton

This work investigates the link between residual entropy and viscosity based on wide-ranging, highly accurate experimental and simulation data. This link was originally postulated by Rosenfeld in 1977, and it is shown that this scaling…

化学物理 · 物理学 2022-06-08 Ian H. Bell

Supported metal in the form of single atoms, clusters, and particles can individually or jointly affect the activity of supported heterogeneous catalysts. While the individual contribution of supported metal to the overall activity of…

材料科学 · 物理学 2026-02-20 Zhuyan Gao , Tiziano Montini , Junju Mu , Nengchao Luo , Emiliano Fonda , Paolo Fornasiero , Feng Wang

We explore the effects of composition and temperature on the apparent molar volumes of species of water-methanol mixtures. Isothermal-isobaric molecular dynamics simulations are used with this purpose. Several combinations of models for…

软凝聚态物质 · 物理学 2021-01-20 M. Cruz Sanchez , M. Aguilar , O. Pizio

In the present article we carry out a molecular dynamics study of the core-softened system and show that the existence of the water-like anomalies in this system depends on the trajectory in $P-\rho-T$ space along which the behavior of the…

软凝聚态物质 · 物理学 2015-05-28 Yu. D. Fomin , V. N. Ryzhov , E. N. Tsiok

Hyperconjugation is a basic conception of chemistry. Its straightforward effect is exhibited by the spatial delocalization characteristics of the electron density distributions or wavefunctions. Such effects on the electron wavefunctions of…

化学物理 · 物理学 2009-11-13 Xiangjun Chen , Fang Wu , Mi Yan , Hai-Bei Li , Shan Xi Tian* , Xu Shan , Kedong Wang , Zhongjun Li , Kezun Xu

Intermolecular interactions are pivotal for aggregation, solvation, and crystallization. We demonstrate that the collective strong coupling of several molecules to a single optical mode results in notable changes in the molecular…

量子物理 · 物理学 2024-02-19 Matteo Castagnola , Tor S. Haugland , Enrico Ronca , Henrik Koch , Christian Schäfer

By using event-driven molecular dynamics simulation, we investigate effects of varying the area fraction of the smaller component on structure, compressibility factor and dynamics of the highly size-asymmetric binary hard-disk liquids. We…

软凝聚态物质 · 物理学 2015-06-05 Wen-Sheng Xu , Zhao-Yan Sun , Li-Jia An

Using molecular dynamics simulations we investigate the structure of a system of particles interacting through a continuous core-softened interparticle potential. We found for the translational order parameter, t, a local maximum at a…

软凝聚态物质 · 物理学 2007-11-28 Alan B. de Oliveira , Paulo A. Netz , Thiago Colla , Marcia C. Barbosa

We investigate the conformation, position, and dynamics of core-shell nanoparticles (CSNPs) composed of a silica core encapsulated in a cross-linked poly-N-isopropylacrylamide shell at a water-oil interface for a systematic range of core…

软凝聚态物质 · 物理学 2018-09-07 Siddarth A. Vasudevan , Astrid Rauh , Martin Kröger , Matthias Karg , Lucio Isa

We study the effect of confinement in the dynamical behavior of a core-softened fluid. The fluid is modeled as a two length scales potential. This potential in the bulk reproduces the anomalous behavior observed in the density and in the…

软凝聚态物质 · 物理学 2015-06-04 José R. Bordin , Alan B. de Oliveira , Alexandre Diehl , Marcia C. Barbosa

The system of polymers in solvent mixtures is a widely-used model to represent biomolecular condensates in intracellular environments. Here, we apply a variational theory to control the center-of-mass of two polymers and perform the first…

软凝聚态物质 · 物理学 2025-02-28 Luofu Liu , Rui Wang

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

Compressing or cooling a fluid typically enhances its static interparticle correlations. However, there are notable exceptions. Isothermal compression can reduce the translational order of fluids that exhibit anomalous waterlike trends in…

软凝聚态物质 · 物理学 2008-04-11 William P. Krekelberg , Jeetain Mittal , Venkat Ganesan , Thomas M. Truskett

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 review recent results of molecular dynamics simulations of two models of liquid water, the extended simple point charge (SPC/E) and the Mahoney-Jorgensen transferable intermolecular potential with five points (TIP5P), which is closer to…

软凝聚态物质 · 物理学 2007-05-23 H. E. Stanley , M. C. Barbosa , S. Mossa , P. A. Netz , F. Sciortino , F. W. Starr , M. Yamada

The evaporation of multi-component droplets is relevant to various applications but challenging to study due to the complex physicochemical dynamics. Recently, Li (2018) reported evaporation-triggered segregation in 1,2-hexanediol-water…

流体动力学 · 物理学 2020-08-26 Yaxing Li , Christian Diddens , Tim Segers , Herman Wijshoff , Michel Versluis , Detlef Lohse

Effects of chain length compatibility and molecular ratio on the two-dimensional crystallization of a binary mixed surfactant system with non-identical molecular size and its consequence on retardation to water evaporation are described via…

软凝聚态物质 · 物理学 2025-03-25 Kulsuma Begum , Abhijeet Das , Dinesh O. Shah , Sanjeev Kumar

The interaction between water and ions within droplets plays a key role in the chemical reactivity of atmospheric and man-made aerosols. Here we report direct computational evidence that in supercooled aqueous nanodroplets a lower density…

软凝聚态物质 · 物理学 2021-08-11 Shahrazad M. A. Malek , Victor Kwan , Ivan Saika-Voivod , Styliani Consta

We present results of theoretical description and numerical calculation of the dynamics of molecular liquids based on the Reference Interaction Site Model / Mode-Coupling Theory. They include the temperature-pressure(density) dependence of…

化学物理 · 物理学 2007-05-23 A. E. Kobryn , T. Yamaguchi , F. Hirata