Two-electron lateral quantum-dot molecules in a magnetic field

Details Two-electron lateral quantum-dot molecules in a magnetic field Two-electron lateral quantum-dot molecules in a magnetic field

2005-05-12

arxiv.org/abs/cond-mat/0505314v2

Phys. Rev. B 72, 205329 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

18 pages, 26 figures

Scientific paper

10.1103/PhysRevB.72.205329

Laterally coupled quantum dot molecules are studied using exact diagonalization techniques. We examine the two-electron singlet-triplet energy difference as a function of magnetic field strength and investigate the magnetization and vortex formation of two- and four-minima lateral quantum dot molecules. Special attention is paid to the analysis of how the distorted symmetry affects the properties of quantum-dot molecules.

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