English
Related papers

Related papers: Large decrease of fluctuations for supercooled wat…

200 papers

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…

Statistical Mechanics · Physics 2009-11-11 Ivan Brovchenko , Alfons Geiger , Alla Oleinikova

The phase behavior of hydrocarbon fluids confined in porous media has been reported to deviate significantly from that in the bulk environment due to the existence of sub-10nm pores. Though experiments and simulations have measured the…

Soft Condensed Matter · Physics 2020-03-16 Jiaoyan Li , Qi Rao , Yidong Xia , Michael P. Hoepfner , Milind Deo

Nanoconfinement can drastically change the behavior of liquids, puzzling us with counterintuitive properties. Moreover, it is relevant in applications, including decontamination and crystallization control. It still lacks a systematic…

Soft Condensed Matter · Physics 2022-07-01 Fabio Leoni , Carles Calero , Giancarlo Franzese

Molecular dynamics simulations are carried out to explore the dynamical crossover phenomenon in strongly confined and mildly supercooled water in graphene oxide nanopores. In contrast to studies where confinement is used to study the…

Soft Condensed Matter · Physics 2020-03-09 Rajasekaran M , K. Ganapathy Ayappa

Confinement can modify the dynamics, the thermodynamics and the structural properties of liquid water, the prototypical anomalous liquid. By considering a general anomalous liquid, suitable for globular proteins, colloids or liquid metals,…

Soft Condensed Matter · Physics 2015-06-19 Fabio Leoni , Giancarlo Franzese

We use a coarse grained solvent model to study the self assembly of two nano-scale hydrophobic particles in water. We show how solvent degrees of freedom are involved in the process. By using tools of transition path sampling, we elucidate…

Statistical Mechanics · Physics 2014-09-09 A. P. Willard , D. Chandler

Water shows intriguing thermodynamic and dynamic anomalies in the supercooled liquid state. One possible explanation of the origin of these anomalies lies in the existence of a metastable liquid-liquid phase transition (LLPT) between two…

Statistical Mechanics · Physics 2016-05-04 Rakesh S. Singh , John W. Biddle , Pablo G. Debenedetti , Mikhail A. Anisimov

The properties of nanoconfined fluids can be strikingly different from those of bulk liquids. A basic unanswered question is whether the equilibrium and dynamic consequences of confinement are related to each other in a simple way. We study…

Soft Condensed Matter · Physics 2013-12-17 Trond S. Ingebrigtsen , Jeffrey R. Errington , Thomas M. Truskett , Jeppe C. Dyre

Water is a ubiquitous liquid with unique physico-chemical properties, whose nature has shaped our planet and life as we know it. Water in restricted geometries has different properties than in bulk. Confinement can prevent low-temperature…

The effect of rough walls on the phase behaviour of a confined liquid crystal (LC) fluid is studied using constant pressure Monte Carlo simulations. The LC is modelled as a fluid of soft ellipsoidal molecules and the rough walls are…

Soft Condensed Matter · Physics 2009-11-11 David L Cheung , Friederike Schmid

Thin layers of water on biomolecular and other nanostructured surfaces can be supercooled to temperatures not accessible with bulk water. Chen et al. [PNAS 103, 9012 (2006)] suggested that anomalies near 220 K observed by quasi-elastic…

Soft Condensed Matter · Physics 2010-03-04 W. Doster , S. Busch , A. M. Gaspar , M. -S. Appavou , J. Wuttke , H. Scheer

The mechanical properties of nanoconfined water layers are still poorly understood and continue to create considerable controversy, despite their importance for biology and nanotechnology. Here, we report on dynamic nanomechanical…

Soft Condensed Matter · Physics 2015-05-19 Shah H. Khan , George Matei , Shivprasad Patil , Peter M. Hoffmann

In this work, molecular dynamics simulations are performed to estimate the equilibrium pressure of liquid confined in nanopores. The simulations show that the pressure is highly sensitive to the pore size and can significantly change from…

Soft Condensed Matter · Physics 2021-04-21 An Zou , Shalabh C. Maroo

Nanoscale fluid transport is typically pictured in terms of atomic-scale dynamics, as is natural in the real-space framework of molecular simulations. An alternative Fourier-space picture, that involves the collective charge fluctuation…

Mesoscale and Nanoscale Physics · Physics 2023-10-02 Baptiste Coquinot , Maximilian Becker , Roland R. Netz , Lydéric Bocquet , Nikita Kavokine

Phase fluctuations of the superconducting order parameter play a larger role in the cuprates than in conventional BCS superconductors because of the low superfluid density of a doped insulator. In this paper, we analyze an XY model of…

Superconductivity · Physics 2009-10-31 E. W. Carlson , S. A. Kivelson , V. J. Emery , E. Manousakis

The temperature dependence (10-290 K) of the low-frequency (20-150 cm-1) Raman-active phonon modes of supercooled confined water in L,L-diphenylalanine micro/nanotubes was analysed. The isolated dynamics of a specific geometry of water…

Soft Condensed Matter · Physics 2016-11-25 P. M. G. L. Ferreira , S. Kogikoski , W. A. Alves , H. Martinho

Water's unique anomalies are vital in various applications and biological processes, yet the molecular mechanisms behind these anomalies remain debated, particularly in the metastable liquid phase under supercooling and stretching…

Statistical Mechanics · Physics 2024-05-17 Luis Enrique Coronas , Giancarlo Franzese

We present the results of a computer simulation study of thermodynamical properties of TIP4P water confined in a hydrophobic disordered matrix of soft spheres upon supercooling. The hydrogen bond network of water appears preserved in this…

Soft Condensed Matter · Physics 2008-04-21 P. Gallo , M. Rovere

We study the effect of fluctuations in opening angle of bent-core molecules on stability of the nematic phases. The molecules are built out of two Gay-Berne centers of $\kappa = 4$, $\kappa ' = 5$, $\mu = 1$ and $\nu = 2$, each…

Soft Condensed Matter · Physics 2009-04-07 W. Jozefowicz , L. Longa

Liquid water is not only of obvious importance but also extremely intriguing, displaying many anomalies that still challenge our understanding of such an a priori simple system. The same is true when looking at nanoconfined water: The…

Soft Condensed Matter · Physics 2016-06-29 Jon Zubeltzu , Fabiano Corsetti , M. V. Fernandez-Serra , Emilio Artacho