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相关论文: Pronounced structural crossover in supercritical w…

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Water is an associated liquid in which the main intermolecular interaction is the hydrogen bond (HB) which is limited to four per atom, independently of the number of neighbours. We have considered a hydrogen bond net superposed on Bernal's…

统计力学 · 物理学 2009-11-07 Nara Guisoni , Vera Bohomoletz Henriques

Many-body interactions can play a relevant role in water properties. Here we study by Monte Carlo simulations a coarse-grained model for bulk water that includes many-body interactions associated to water cooperativity. The model is…

统计力学 · 物理学 2016-10-04 Luis Enrique Coronas , Valentino Bianco , Arne Zantop , Giancarlo Franzese

Liquid-liquid and liquid-vapor coexistence regions of various water models were determined by MC simulations of isotherms of density fluctuation restricted systems and by Gibbs ensemble MC simulations. All studied water models show multiple…

统计力学 · 物理学 2009-11-11 Ivan Brovchenko , Alfons Geiger , Alla Oleinikova

Relations between the thermodynamics and dynamics of supercooled liquids approaching a glass transition have been proposed over many years. The potential energy surface of model liquids has been increasingly studied since it provides a…

We study the dynamics of hydration water/protein association in folded proteins, using lysozyme and myoglobin as examples. Extensive molecular dynamics simulations are performed to identify underlying mechanisms of the dynamical transition…

软凝聚态物质 · 物理学 2015-05-13 J. Servantie , C. Atilgan , A. R. Atilgan

Monodisperse, purely repulsive, hard spheres (MPRHS) are an important model system for mechanistically exploring phase behavior in atomic systems and colloids. Since the 1940s, phase transitions in these systems have been obtained via…

软凝聚态物质 · 物理学 2025-11-05 J. Galen Wang , Umesh Dhumal , Monica E. A. Zakhari , Roseanna N. Zia

We investigate a well-known phenomenon of the appearance of the crossover points, corresponding to the intersections of the solubility isotherms of the solid compound in supercritical fluid. Opposed to the accepted understanding of the…

软凝聚态物质 · 物理学 2021-04-13 N. N. Kalikin , R. D. Oparin , A. L. Kolesnikov , Y. A. Budkov , M. G. Kiselev

The formation of a spanning hydrogen-bonded network of hydration water is found to occur via a 2D percolation transition in various systems: smooth hydrophilic surfaces, the surface of a single protein molecule, protein powder and diluted…

软凝聚态物质 · 物理学 2009-11-11 Alla Oleinikova , Ivan Brovchenko , Nikolai Smolin , Aliaksei Krukau , Alfons Geiger , Roland Winter

We study bridging transitions between spherically and cylindrically shaped particles (colloids) of radius $R$ separated by a distance $H$ that are dissolved in a bulk fluid (solvent). Using macroscopics, microscopic density functional…

软凝聚态物质 · 物理学 2015-09-30 Alexandr Malijevský , Andrew O. Parry

Structural, magnetic and electrical-transport properties of {\alpha}-LiFeO2, crystallizing in the rock salt structure with random distribution of Li and Fe ions, have been studied by synchrotron X-ray diffraction, 57Fe M\"ossbauer…

A possible role of quantum effects, such as tunneling and zero-point energy, in the structural dynamics of supercooled liquids is studied by dielectric spectroscopy. Presented results demonstrate that the liquids, bulk 3-methylpentane 3MP…

软凝聚态物质 · 物理学 2017-01-04 A. Agapov , V. N. Novikov , A. Kisliuk , R. Richert , A. P. Sokolov

This paper explores how competing interactions in the intermolecular potential of fluids affect their structural transitions. This study employs a versatile potential model with a hard core followed by two constant steps, representing wells…

软凝聚态物质 · 物理学 2025-01-22 Ana M. Montero , Santos B. Yuste , Andrés Santos , Mariano López de Haro

When liquids are classified using Tg -scaled Arrhenius plots of relaxation times (or relative rates of entropy increase above Tg) across a "strong-fragile" spectrum of behaviors, the "strong" liquids have always appeared rather…

软凝聚态物质 · 物理学 2015-06-12 C. Austen Angell , Mahin Hemmati

Complex fluids, such as polymer solutions and blends, colloids and gels, are of growing interest in fundamental and applied soft-condensed-matter science. A common feature of all such systems is the presence of a mesoscopic structural…

软凝聚态物质 · 物理学 2009-11-10 A. F. Kostko , M. A. Anisimov , J. V. Sengers

Acid solutions exhibit a variety of complex structural and dynamical features arising from the presence of multiple interacting reactive proton defects and counterions. However, disentangling the transient structural motifs of proton…

化学物理 · 物理学 2018-05-09 Joseph A. Napoli , Ondrej Marsalek , Thomas E. Markland

A structural transformation in water upon compression was recently observed at the temperature $T=277$~K in the vicinity of the pressure $p \approx 2\;000$~Atm [R.M. Khusnutdinoff, A.V. Mokshin, J. Non-Cryst. Solids \textbf{357}, 1677…

无序系统与神经网络 · 物理学 2015-06-03 Ramil M. Khusnutdinoff , Anatolii V. Mokshin

Metallic hydrogen, existing in remarkably extreme environments, was predicted to exhibit long-sought room-temperature superconductivity. Although the superconductivity of metallic hydrogen has not been confirmed experimentally,…

超导电性 · 物理学 2024-06-12 Zihan Zhang , Wendi Zhao , Defang Duan , Tian Cui

Previous studies of the structure of liquid water under pressure performed by neutron diffraction, allowed us to establish two structural limits in liquid water. These two limits are closely connected to the two known forms of amorphous ice…

无序系统与神经网络 · 物理学 2016-08-31 M. -C. Bellissent-Funel

Water shows numerous thermodynamic, dynamic, and structural anomalies. Recent experiments [Eichler et al. Phys. Rev. Lett. 134, 134101 (2025)], based on measurements of shear and bulk viscosities of liquid water up to 1.6 GPa, have reported…

软凝聚态物质 · 物理学 2026-01-27 José Martín-Roca , Alberto Zaragoza , Frédéric Caupin , Chantal Valeriani

Universality aids consistent understanding of physical properties. This includes understanding the states of matter where a theory predicts how a property of a phase (solid, liquid, gas) changes with temperature or pressure. Here, we show…

统计力学 · 物理学 2022-08-17 Cillian Cockrell , Kostya Trachenko