Self-induced oscillation for electron-hole pair confined in quantum dot

Tomoki Tagawa, Atsushi Tsubaki, Masamu Ishizuki, Kyozaburo Takeda

研究成果: Conference contribution

抄録

We study the time-dependent (TD) phenomena of the electron-hole or electron-electron pair confined in the square quantum dot (SQD) system by computationally solving TD Schroedinger equation under the unrestricted Hartree-Fock (UHF) approach. A typical vacillation is found both in the electron and hole when the charged pair is strongly confined in the SQD while the charged particles have initially the same orbital symmetry. The FFT analysis elucidates that the transition matrix element due to the coulomb interaction involves the eigen frequency ω being equal to the excitation energy when the resonative vacillation appears. Thus, Coulomb potential has a potential to cause the self-induced "Rabi" oscillation when the charged-particle pair is confined only in the QD.

本文言語English
ホスト出版物のタイトルPhysics of Semiconductors - 30th International Conference on the Physics of Semiconductors, ICPS-30
ページ365-366
ページ数2
DOI
出版ステータスPublished - 2011 12 1
イベント30th International Conference on the Physics of Semiconductors, ICPS-30 - Seoul, Korea, Republic of
継続期間: 2010 7 252010 7 30

出版物シリーズ

名前AIP Conference Proceedings
1399
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

Conference30th International Conference on the Physics of Semiconductors, ICPS-30
CountryKorea, Republic of
CitySeoul
Period10/7/2510/7/30

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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