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8 papers · 2 filters
Block copolymers confined in a nanopore: Pathfinding in a curving and frustrating flatland
G. J. A. Sevink, A. V. Zvelindovsky
We have studied structure formation in a confined block copolymer melt by means of dynamic density functional theory (DDFT). The confinement is two-dimensional, and the confined ge…
Polymer Translocation out of Planar Confinements
Debabrata Panja, Gerard T. Barkema, Robin C. Ball
Polymer translocation in three dimensions out of planar confinements is studied in this paper. Three membranes are located at , and . These membranes are impenet…
Rate Dependence and Role of Disorder in Linearly Sheared Two-Dimensional Foams
Gijs Katgert, Matthias E. Möbius, Martin van Hecke
The shear flow of two dimensional foams is probed as a function of shear rate and disorder. Disordered foams exhibit strongly rate dependent velocity profiles, whereas ordered foam…
Pore-blockade Times for Field-Driven Polymer Translocation
Henk Vocks, Debabrata Panja, Gerard T. Barkema +1
We study pore blockade times for a translocating polymer of length , driven by a field across the pore in three dimensions. The polymer performs Rouse dynamics, i.e., we con…
Evidence for contact delocalization in atomic scale friction
D. Abel, S. Yu. Krylov, J. W. M. Frenken
We analyze an advanced two-spring model with an ultra-low effective tip mass to predict nontrivial and physically rich 'fine structure' in the atomic stick-slip motion in Friction…
Passage Times for Polymer Translocation Pulled through a Narrow Pore
Debabrata Panja, Gerard T. Barkema
We study the passage times of a translocating polymer of length in three dimensions, while it is pulled through a narrow pore with a constant force applied to one end of th…