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Generalized Hund's rule in the addition spectrum of a quantum dot

Steffens, Oliver ; Rössler, Ulrich ; Suhrke, Michael
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Date of publication of this fulltext: 05 Aug 2009 13:28


Abstract

We report on ground-state calculations based on current-spin density-functional theory for circular parabolic quantum dots. Hund's first rule, well-known from atomic physics, applies not only at zero magnetic field; analogous rules, related to the level occupancy near the Fermi energy, determine the spin configuration of the ground state in finite magnetic field. Consequently, the addition ...

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