Visualisierung des zweidimensionalen Gitters unterhalb der kritischen Temperatur: Auf jedem Gitterplatz befindet sich ein Ising-Spin, der entweder nach oben (blau) oder nach unten (rot) zeigen kann. Es ist die Tendenz zu erkennen, dass benachbarte Ising-Spins in dieselbe Richtung zeigen wollen.
Source: Abb.: Tobias Preis, Institut für Physik, Universität Mainz
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