Aleks Owczarek

Exact solution of directed walk models of polymeric zipping with pulling in two and three dimensions

NR Beaton, AL Owczarek

Journal article  |  2021  |  Physica A: Statistical Mechanics and its Applications

© 2020 Elsevier B.V. We provide the exact solution of several variants of simple models of the zipping transition of two bound pol..

Effect of Lattice Inhomogeneity on Collapsed Phases of Semi-stiff ISAW Polymers

CJ Bradly, AL Owczarek

Journal article  |  2021  |  JOURNAL OF STATISTICAL PHYSICS

We investigate semi-stiff interacting self-avoiding walks on the square lattice with random impurities. The walks are simulated us..

Adsorption of two-dimensional polymers with two- and three-body self-interactions

Nathann T Rodrigues, Tiago J Oliveira, Thomas Prellberg, Aleksander L Owczarek

Journal article  |  2019  |  PHYSICAL REVIEW E

Using extensive Monte Carlo simulations, we investigate the surface adsorption of self-avoiding trails on the triangular lattice w..

Adsorbed self-avoiding walks pulled at an interior vertex

CJ Bradly, EJ Janse van Rensburg, AL Owczarek, SG Whittington

Journal article  |  2019  |  JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL

We consider self-avoiding walks terminally attached to a surface at which they can adsorb. A force is applied, normal to the surfa..

Exact solution of some quarter plane walks with interacting boundaries

NR Beaton, AL Owczarek, A Rechnitzer

Journal article  |  2019  |  ELECTRONIC JOURNAL OF COMBINATORICS

The set of random walks with different step sets (of short steps) in the quarter plane has provided a rich set of models that have..

Adsorption of interacting self-avoiding trails in two dimensions

NT Rodrigues, T Prellberg, AL Owczarek

Journal article  |  2019  |  PHYSICAL REVIEW E

We investigate the surface adsorption transition of interacting self-avoiding square lattice trails onto a straight boundary line...

Force-induced desorption of 3-star polymers in two dimensions

CJ Bradly, EJ Janse van Rensburg, AL Owczarek, SG Whittington

Journal article  |  2019  |  JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL

We investigate the phase diagram of a self-Avoiding walk model of a 3-star polymer in two dimensions, adsorbing at a surface and b..

Monte Carlo simulation of 3-star lattice polymers pulled from an adsorbing surface

CJ Bradly, AL Owczarek

Journal article  |  2019  |  JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL

We study uniform 3-star polymers with one branch tethered to an attractive surface and another branch pulled by a force away from ..

Phase transitions in solvent-dependent polymer adsorption in three dimensions

CJ Bradly, AL Owczarek, T Prellberg

Journal article  |  2019  |  PHYSICAL REVIEW E

We consider the phase diagram of self-avoiding walks (SAWs) on the simple cubic lattice subject to surface and bulk interactions, ..

Exact solution of pulled, directed vesicles with sticky walls in two dimensions

AL Owczarek, T Prellberg

Journal article  |  2019  |  JOURNAL OF MATHEMATICAL PHYSICS

We analyse a directed lattice vesicle model incorporating both the binding-unbinding transition and the vesicle inflation-deflatio..