Title
Characterization and modeling of single-particle energy levels and resonant currents in a coherent quantum dot mixerCharacterization and modeling of single-particle energy levels and resonant currents in a coherent quantum dot mixer
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Condensed Matter Theory
Publication type
conferenceObject
Publication
New York,
Subject
Physics
Source (journal)
AIP conference proceedings / American Institute of Physics. - New York
Source (book)
30th International Conference on the Physics of Semiconductors (ICPS-30), JUL 25-30, 2010, Seoul, SOUTH KOREA
Volume/pages
1399(2011), p. 1-2
ISSN
0094-243X
ISI
000301053000453
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We characterize and model the single-particle energy level position and resonant current strength at a three-level crossing in a coherent mixer composed of two weakly coupled vertical quantum dots. In addition to clear anticrossing behavior, an otherwise strong resonance is completely extinguished at the center of the crossing. Despite the strong variation in energy level position and resonant current strength throughout the crossing region, the resonance widths and the sum of the branch currents are found to be approximately constant.
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