Related Experiment Video
Updated: Aug 18, 2026

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
Set of measures to analyze the dynamics of nonequilibrium structures
Girish Nathan1, Gemunu Gunaratne
1Department of Physics, University of Houston, 4800 Calhoun Blvd., Houston, TX 77204, USA. Girish.Nathan@mail.uh.edu
Abstract:
We present a class of statistical measures that can be used to quantify nonequilibrium surface growth. They are used to deduce information about spatiotemporal dynamics of model systems for spinodal decomposition and surface deposition. Pattern growth in the Cahn-Hilliard equation (used to model spinodal decomposition) are shown to exhibit three distinct stages. Two models of surface growth, namely, the continuous Kardar-Parisi-Zhang model and the discrete restricted-solid-on-solid model are shown to have different saturation exponents.
Related Concept Videos
Indeterminate Structure
Alternative Sets of Equilibrium Equations
One example of such a situation can be observed in a...
Stability of Equilibrium Configuration
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
Constraints and Statical Determinacy
Energy Diagrams - II
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The slope...
Stability of structures

