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Shell charging and spin-filling sequences in realistic vertical quantum dots

壳在现实主义的垂直的量点收费和充满纺纱的序列

作     者:P. Matagne J. P. Leburton D. G. Austing S. Tarucha 

作者机构:Beckman Institute for Advanced Science and Technology University of Illinois at Urbana-Champaign 405 N. Mathews Urbana Illinois 61801 Department of Electrical and Computer Engineering University of Illinois at Urbana-Champaign 1406 W. Green Street Urbana Illinois 61801 NTT Basic Research Laboratories 3-1 Morinosoto Wakamiya Atsugi Kawagana 243-0198 Japan ERATO Mesoscopic Correlation Project & Department of Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan 

出 版 物:《Physical Review B》 (物理学评论B辑:凝聚态物质与材料物理学)

年 卷 期:2002年第65卷第8期

页      面:085325-085325页

核心收录:

学科分类:07[理学] 0702[理学-物理学] 

摘      要:For nominally high-symmetry cylindrical-shaped vertical quantum dots, we show that Hund’s first rule is not violated if maxima appear in the 0-T addition energy spectra at positions other than when the shell is half filled. For the third shell, a minimum at N=7 electrons followed by a maximum at N=8 or 9 electrons is the only clear signature of sequential spin alignment up to half shell occupation. We demonstrate that the filling of this shell and the consequent spectral shape for realistic dots are quite rich and varied.

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