Cellular Automata: Avalanches and Noise

• Dynamics of Disordered Systems
• Hysteresis and the T=0 Random-Field Ising Model
• Brute Force: O(N²)
• Ordered Lists: O(N)
• Memory: O(N) and One Bit per Spin
• Graphics, GUI Building
• Double-buffering, threads

Course Links

• Console Application: Brute Force Algorithm Instructions
• Console Solution Code
• Console executable
• Windows Application: Instructions
• Windows Solution Code
• Windows executable
• Sorted List Application: Instructions
• Sorted List Solution Code
• Windows executable
• Matt Kuntz's fancy Windows executable
• Matt Kuntz's fancy console executable

Other Links

• Matt Kuntz' Code, Source, Paper
• Hysteresis, Avalanches, and Barkhausen Noise
• Crackling Noise

This software was developed in collaboration with Matthew Kuntz. It remains in draft form. You are welcome to try it out, or use it in educational settings: we retain copyright and will continue modifying the code without notice.

The Course

James P. Sethna, sethna@lassp.cornell.edu.

Statistical Mechanics: Entropy, Order Parameters, and Complexity, now available at Oxford University Press (USA, Europe).