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We investigate theoretically soliton excitations and dynamics of their formation in strongly correlated systems of ultracold bosonic atoms in two and three dimensional optical lattices. We derive equations of nonlinear hydrodynamics in the…

Quantum Gases · Physics 2015-05-27 Eugene Demler , Andrei Maltsev

A molecular dynamics simulation of SPC/E water confined in a Silica pore is presented. The pore has been constructed to reproduce the average properties of a pore of Vycor glass. Due to the confinement and to the presence of a strong…

Statistical Mechanics · Physics 2007-05-23 P. Gallo , M. Rovere

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

Liquids in contact with solids are submitted to intermolecular forces making liquids heterogeneous and stress tensors are not any more spherical as in homogeneous bulks. The aim of this article is to show that a square-gradient functional…

Classical Physics · Physics 2017-08-23 Henri Gouin

Drop coalescence occurs through the rapid growth of a liquid bridge that connects the two drops. At early times after contact, the bridge dynamics is typically self-similar, with details depending on the geometry and viscosity of the…

Fluid Dynamics · Physics 2023-06-22 Walter Tewes , Michiel A. Hack , Charu Datt , Gunnar G. Peng , Jacco H. Snoeijer

Motivated by rolling adhesion of white blood cells in the vasculature, we study how cells move in linear shear flow above a wall to which they can adhere via specific receptor-ligand bonds. Our computer simulations are based on a Langevin…

Cell Behavior · Quantitative Biology 2008-04-30 C. B. Korn , U. S. Schwarz

As one increases the concentration of a colloidal suspension, the system exhibits a dramatic increase in viscosity. Structurally, the system resembles a liquid, yet motions within the suspension are slow enough that it can be considered…

Soft Condensed Matter · Physics 2012-05-22 Gary L. Hunter , Eric R. Weeks

Colloidal particles with mobile binding molecules constitute a powerful platform for probing the physics of self-assembly. Binding molecules are free to diffuse and rearrange on the surface, giving rise to spontaneous control over the…

Soft Condensed Matter · Physics 2023-05-29 Gaurav Mitra , Chuan Chang , Angus McMullen , Daniela Puchall , Jasna Brujic , Glen M. Hocky

We report on a new type of experiment that enables us to monitor spatially and temporally heterogeneous dynamic properties in complex fluids. Our approach is based on the analysis of near-field speckles produced by light diffusely reflected…

Soft Condensed Matter · Physics 2012-08-10 P. Zakharov , F. Scheffold

We report extensive simulations of liquid supercooled states for a simple three-sites molecular model, introduced by Lewis and Wahnstr"om [L. J. Lewis and G. Wahnstr"om, Phys. Rev. E 50, 3865 (1994)] to mimic the behavior of…

Soft Condensed Matter · Physics 2009-10-31 A. Rinaldi , F. Sciortino , P. Tartaglia

Molecular design requires systematic and broadly applicable methods to extract structure-property relationships. The focus of this study is on learning thermodynamic properties from molecular-liquid simulations. The methodology relies on an…

Materials Science · Physics 2023-07-04 Bernadette Mohr , Diego van der Mast , Tristan Bereau

Coalescence event in pendant and sessile drop is distinguished by the formation and evolution of the liquid bridge created upon singular contact. The bridge radius, $R$, is known to evolve as $R\sim t^b$, with power-law exponent, $b$,…

Fluid Dynamics · Physics 2022-12-06 Abhineet Singh Rajput , Sarath Chandra Varma , Aloke Kumar

The dynamical properties of liquid lithium at several thermodynamic states near the triple point have been studied within the framework of the mode-coupling theory. We present a self-consistent scheme which, starting from the knowledge of…

Disordered Systems and Neural Networks · Physics 2009-10-31 J. Casas , D. J. Gonzalez , L. E. Gonzalez

A coupled system composed of a Newtonian fluid located on a sinusoidally-forced elastic solid is studied analytically and numerically. The focus is on the transient evolution from the beginning of the forced oscillations and on the periodic…

Fluid Dynamics · Physics 2026-01-16 Aaron D'Cruz , Pierre Ricco

We use {\it ab initio} molecular dynamics simulations to study a sample of liquid silica containing 3.84 wt.% H$_2$O.We find that, for temperatures of 3000 K and 3500 K,water is almost exclusively dissolved as hydroxyl groups, the silica…

Disordered Systems and Neural Networks · Physics 2009-11-10 Markus Poehlmann , Magali Benoit , Walter Kob

The sample dependence of various properties of hydrogenated amorphous silicon ($a$-Si:H) have been studied with 216 silicon atoms and 24 hydrogen atoms using the density functional based tight binding molecular dynamics simulations. The…

Other Condensed Matter · Physics 2009-11-10 Ranber Singh , S. Prakash , Nitya Nath Shukla , R. Prasad

The equilibrium silica liquid-liquid interface between the high-density liquid (HDL) phase and the low-density liquid (LDL) phase is examined using molecular-dynamics simulation. The structure, thermodynamics, and dynamics within the…

Materials Science · Physics 2022-10-19 Xin Zhang , Brian B. Laird , Hongtao Liang , Wenliang Lu , Zhiyong Yu , Xiangming Ma , Ya Cheng , Yang Yang

We characterize the self-assembly of colloidal particles with surface mobile DNA linkers under kinetically limited valence conditions. For this, we put forward a computer simulation model that captures quantitatively the interplay between…

Soft Condensed Matter · Physics 2022-10-26 Pedro A. Sánchez , Alessio Caciagli , Sofia S. Kantorovich , Erika Eiser

Unlike biological active matter that constantly adapt to their environment, the motors of synthetic active particles are typically agnostic to their surroundings and merely operate at constant force. Here, we design colloidal active rods…

High-purity glasses are used for their low optical and mechanical loss, which makes them an excellent material for oscillators in optical systems, such as inertial sensors. Complex geometries often require the assembly of multiple pieces of…