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Zeeman energy and anomalous spin splitting in lateral GaAs quantum dots

AuthorsValín-Rodríguez, Manuel; Puente, Antonio; Serra, Llorenç
KeywordsMesoscopic Systems and Quantum Hall Effect
Materials Science
[PACS] Quantum dots
[PACS] Electron states and collective excitations in multilayers, quantum wells, mesoscopic, and nanoscale systems
Issue Date1-Dec-2004
CitationEuropean Physical Journal B Condensed Matter and Complex Systems 39: 87-92 (2004)
AbstractThe level splittings induced by a horizontal magnetic field in a parabolic two-dimensional quantum dot with spin-orbit interaction are obtained. Characteristic features induced by the spin-orbit coupling are the appearance of zero-field gaps as well as energy splittings that depend on the electronic state and the orientation of the magnetic field in the quantum-dot plane. It is suggested that these quantum-dot properties could be used to determine the Rashba and Dresselhaus spin-orbit intensities.
Description5 pages (final publisher version).-- 6 pages, 6 figures (attached post-print version).-- PACS nrs.: 73.21.La, 73.21.-b.-- Pre-print version available at ArXiv: http://arxiv.org/abs/cond-mat/0403202v1.
Publisher version (URL)http://dx.doi.org/10.1140/epjb/e2004-00174-1
Appears in Collections:(IFISC) Artículos
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