Divergent diffusion coefficients in simulations of fluids and lipid membranes

M Vögele, G Hummer - The Journal of Physical Chemistry B, 2016‏ - ACS Publications
We investigate the dependence of single-particle diffusion coefficients on the size and
shape of the simulation box in molecular dynamics simulations of fluids and lipid …

Two-dimensional flow of driven particles: a microfluidic pathway to the non-equilibrium frontier

T Beatus, I Shani, RH Bar-Ziv, T Tlusty - Chemical Society Reviews, 2017‏ - pubs.rsc.org
We discuss the basic physics of the flow of micron-scale droplets in 2D geometry. Our focus
is on the use of droplet ensembles to look into fundamental questions of non-equilibrium …

The countoscope: measuring self and collective dynamics without trajectories

EKR Mackay, S Marbach, B Sprinkle, AL Thorneywork - Physical Review X, 2024‏ - APS
Driven by physical questions pertaining to quantifying particle dynamics, microscopy can
now resolve complex systems at the single-particle level, from cellular organisms to …

Single-file escape of colloidal particles from microfluidic channels

E Locatelli, M Pierno, F Baldovin, E Orlandini, Y Tan… - Physical Review Letters, 2016‏ - APS
Single-file diffusion is a ubiquitous physical process exploited by living and synthetic
systems to exchange molecules with their environment. It is paramount to quantify the …

Channel-facilitated diffusion boosted by particle binding at the channel entrance

S Pagliara, SL Dettmer, UF Keyser - Physical Review Letters, 2014‏ - APS
We investigate single-file diffusion of Brownian particles in arrays of closely confining
microchannels permeated by a variety of attractive optical potentials and connecting two …

Hydrodynamic interactions induce anomalous diffusion under partial confinement

J Bleibel, A Domínguez, F Günther, J Harting, M Oettel - Soft matter, 2014‏ - pubs.rsc.org
Under partial confinement, the motion of colloidal particles is restricted to a plane or a line
but their dynamics is influenced by hydrodynamic interactions mediated by the unconfined …

Hydrodynamic anomalies in supercritical fluid

RE Ryltsev, NM Chtchelkatchev - The Journal of Chemical Physics, 2014‏ - pubs.aip.org
Using the molecular dynamics simulations we investigate properties of velocity
autocorrelation function of Lennard-Jones fluid at long and intermediate time scales in wide …

Anomalous viscosity reduction and hydrodynamic interactions of polymeric nanocolloids in polymers

N Begam, S Chandran, M Sprung, JK Basu - Macromolecules, 2015‏ - ACS Publications
One of the central dogmas of fluid physics is the no-slip boundary condition, whose validity
has come under scrutiny, especially in the fields of micro and nanofluidics. Although various …

3D hydrodynamic interactions lead to divergences in 2D diffusion

J Bleibel, A Dominguez, M Oettel - Journal of Physics …, 2015‏ - iopscience.iop.org
We investigate the influence of 3D hydrodynamic interactions on confined colloidal
suspensions, where only the colloids are restricted to one or two dimensions. In the absence …

Hydrodynamic fluctuations in quasi-two dimensional diffusion

RP Peláez, FB Usabiaga, S Panzuela… - Journal of Statistical …, 2018‏ - iopscience.iop.org
We study diffusion of colloids on a fluid–fluid interface using particle simulations and
fluctuating hydrodynamics. Diffusion on a two-dimensional interface with three-dimensional …