Two-electron lateral quantum-dot molecules in a magnetic field
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© 2005 American Physical Society (APS). This is the accepted version of the following article: Helle, M. & Harju, A. & Nieminen, Risto M. 2005. Two-electron lateral quantum-dot molecules in a magnetic field. Physical Review B. Volume 72, Issue 20. 205329/1-24. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.72.205329, which has been published in final form at http://journals.aps.org/prb/abstract/10.1103/PhysRevB.72.205329.
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School of Science |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Author
Date
2005
Major/Subject
Mcode
Degree programme
Language
en
Pages
205329/1-24
Series
Physical Review B, Volume 72, Issue 20
Abstract
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.Description
Keywords
quantum dots, molecules, magnetic fields
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Citation
Helle, M. & Harju, A. & Nieminen, Risto M. 2005. Two-electron lateral quantum-dot molecules in a magnetic field. Physical Review B. Volume 72, Issue 20. 205329/1-24. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.72.205329.