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Energy renormalization of exciton complexes in GaAs quantum dots

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Title: Energy renormalization of exciton complexes in GaAs quantum dots
Authors: Abbarchi, Marco Browse this author
Kuroda, Takashi Browse this author
Mano, Takaaki Browse this author
Sakoda, Kazuaki Browse this author
Mastrandrea, Carmine A. Browse this author
Vinattieri, Anna Browse this author
Gurioli, Massimo Browse this author
Tsuchiya, Takuma Browse this author
Issue Date: 15-Nov-2010
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 82
Issue: 20
Start Page: 201301
Publisher DOI: 10.1103/PhysRevB.82.201301
Abstract: Using GaAs/AlGaAs self-assembled quantum dots we study the few-particle dynamics of fully confined systems, which is associated with purely Coulomb interaction and is not affected by the internal strain field. Systematic evolution in the binding energies of positive and negative trions, as well as biexcitons, with dot size is interpreted in terms of a balance between the Hartree mean-field corrections on single-particle states and the interparticle correlations which lead to a nonseparable dynamics. The experimental behaviors are well reproduced by exact many-body calculations within the framework of the quantum Monte Carlo approach.
Rights: ©2010 The American Physical Society
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 土家 琢磨

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