Antiferromagnetic Ising model applet: Metropolis algorithm |
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As opposed to the ferromagnetic Ising/Potts models,
the coupling constant J for the AF model is negative, thus favoring spin anti-alignement at low temperature
(press the "Groundstate" button and look at the lattice: the ground-state is indeed a checkerboard).
Applet help:
- The "temperature" button let you configure many things regarding the simulation, e.g. temperature sweep, number of thermalization
steps, number of measurements, autocorrelation times, ...
- if the applet runs too slowly, reduce the "Latency". If still slow, deselect the "Animate" checkbox.
- The south-panel displays charts of thermodymical averages as a funtion of temperature. You can add a new point
at any time during a simulation by clicking on the "Add point" button. If a temperature sweep is carried out, charts
are filled automatically.
Download source code : montecarlo.zip
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