Phase transitions of soft disks in external periodic potentials: A Monte Carlo study

W Strepp, S Sengupta, P Nielaba - Physical Review E, 2002 - APS
The nature of freezing and melting transitions for a system of model colloids interacting via
the Derjaguin, Landau, Verwey, and Overbeek potential in a spatially periodic external …

Melting of colloidal molecular crystals on triangular lattices

A Šarlah, T Franosch, E Frey - Physical review letters, 2005 - APS
The phase behavior of a two-dimensional colloidal system subject to a commensurate
triangular potential is investigated. We consider the integer number of colloids in each …

Dense hard disk ordering: influence of bidispersity and quenched disorder

H Arjun, P Chaudhuri - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
Abstract Using Monte Carlo simulations, the impact on structural ordering in two-
dimensional systems via the interplay of size bidispersity and quenched disorder in the form …

Elastic properties, structures and phase transitions in model colloids

P Nielaba, K Binder, D Chaudhuri… - Journal of Physics …, 2004 - iopscience.iop.org
The nature of the melting transition for a system of hard discs with translational degrees of
freedom in two spatial dimensions has been analysed by a combination of computer …

Direct test of defect-mediated laser-induced melting theory for two-dimensional solids

D Chaudhuri, S Sengupta - Physical Review E—Statistical, Nonlinear, and Soft …, 2006 - APS
We investigate by direct numerical solution of appropriate renormalization flow equations
the validity of a recent dislocation unbinding theory for laser-induced freezing and melting in …

Phase transitions in model colloids in reduced geometry

W Strepp, S Sengupta, M Lohrer, P Nielaba - Mathematics and Computers …, 2003 - Elsevier
The nature of the melting transition for a system of hard disks with translational degrees of
freedom in two spatial dimensions has been analyzed by a novel finite size scaling …

Single-file diffusion and kinetics of template-assisted assembly of colloids

C Mondal, S Sengupta - Physical Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
We report computer simulation studies of the kinetics of ordering of a two-dimensional
system of particles on a template with a one-dimensional periodic pattern. In equilibrium …

Freezing of a soft-core fluid in a one-dimensional potential: Predictions based on a pressure-balance equation

A Kraft, SHL Klapp - Physical Review E, 2020 - APS
Using concepts from classical density functional theory, we investigate the freezing of a two-
dimensional system of ultrasoft particles in a one-dimensional external potential, a …

A numerical renormalization group study of laser-induced freezing

D Chaudhuri, S Sengupta - Europhysics Letters, 2004 - iopscience.iop.org
We study the phenomenon of laser-induced freezing, within a numerical renormalization
scheme which allows explicit comparison with a recent defect-mediated melting theory …

Laser-induced reentrant freezing in two-dimensional attractive colloidal systems

P Chaudhuri, C Das, C Dasgupta… - Physical Review E …, 2005 - APS
The effects of an externally applied one-dimensional periodic potential on the freezing and
melting behavior of two-dimensional systems of colloidal particles with a short-range …