idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
An jedem Kupferatom (graue Kugeln) liegt ein Quadrupolmoment vor; in der Summe bilden diese eine Art Schachbrettmuster, wobei sich die einzelnen Quadrate des Schachbretts in der Ausrichtung der positiv und negativ geladenen Bereiche unterscheiden (grün: positive Bereiche links und rechts; grau: positive Bereiche oben und unten). An den Grenzen zwischen grünen und grauen Flächen findet ein Vorzeichenwechsel statt. Grenznahe Kupferatome weisen ein kleineres Quadrupolmoment auf als Kupferatome in der Mitte der Flächen.
Konstantin Efetov und Hendrik Meier (Institut für Theoretische Physik III)
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