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Excitation spectra of circular, few-electron quantum dots | | L P Kouwenhoven
; T H Oosterkamp
; M W S Danoesastro
; M Eto
; D G Austing
; T Honda
; S Tarucha
; | | Date: |
5 Dec 1997 | | Journal: | Science, 278 (5344), 1788-92 | | Abstract: | Studies of the ground and excited states in semiconductor quantum dots containing 1 to 12 electrons showed that the quantum numbers of the states in the excitation spectra can be identified and compared with exact calculations. A magnetic field induces transitions between the ground and excited states. These transitions were analyzed in terms of crossings between single-particle states, singlet-triplet transitions, spin polarization, and Hund’s rule. These impurity-free quantum dots allow "atomic physics" experiments to be performed in magnetic field regimes not accessible for atoms. | | Source: | PubMed, pmid9388179 | | Services: | Forum | Review | Favorites | |
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