Effect of a static electric field on the optical spectrum of a quantum dot

被引：9
作者：
Zhou, YC
He, GP
Wang, ZM
机构：
[1] Department of Physics, Zhongshan University
来源：
PHYSICS LETTERS A | 1997年 / 229卷 / 06期
关键词：
D O I：
10.1016/S0375-9601(97)00169-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The energy levels and the optical absorption of a circular quantum dot with hard walls are studied in the presence of a static electric field. The results are compared with the case of soft-wall confinement. Calculations show that: (i) the structures of the energy levels of the two cases are different, therefore their absorption varies accordingly; (ii) the nonlinear term has a significant contribution to the total optical absorption coefficient. (C) Elsevier Science B.V.
引用
收藏
页码：379 / 386
页数：8
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