Random First Order Transition Theory for Glassy Dynamics in a Single Condensed Polymer

Manifestation of random first-order transition theory in Wigner glasses.

We use Brownian dynamics simulations of a binary mixture of highly charged spherical colloidal particles to test some of the predictions of the random first-order transition (RFOT) theory [Phys. Rev. Lett. 58, 2091 (1987); Phys. Rev. A 40, 1045 (1989)]. In accord with mode-coupling theory and RFOT, we find that as the volume fraction of the colloidal particles ϕ approaches the dynamical transit...

First order phase transition of a long polymer chain

We consider a model consisting of a self-avoiding polygon occupying a variable density of the sites of a square lattice. A fixed energy is associated with each 90-bend of the polygon. We use a grand canonical ensemble, introducing parameters μ and β to control average density and average (total) energy of the polygon, and show by Monte Carlo simulation that the model has a first order, nematic ...

First-order phase transition in a 2D random-field Ising model with conflicting dynamics

The effects of locally random magnetic fields are considered in a nonequilibrium Ising model defined on a square lattice with nearest-neighbors interactions. In order to generate the random magnetic fields, we have considered random variables {h} that change randomly with time according to a double-gaussian probability distribution, which consists of two single gaussian distributions, centered ...

Autoregressive Gaussian Random Vectors of First Order

Landau theory of glassy dynamics

Satya N. Majumdar, 2 Dibyendu Das, Jané Kondev, and Bulbul Chakraborty Laboratoire de Physique Theorique et Modeles Statistiques, Universite Paris-Sud, Bat 100, 91405, Orsay-Cedex, France Laboratoire de Physique Theorique (UMR C5152 du CNRS), Universite Paul Sabatier, 31062 Toulouse Cedex, France Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India Martin Fi...