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Exciton-exciton interaction and heterobiexcitons in GaN

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Title: Exciton-exciton interaction and heterobiexcitons in GaN
Authors: Adachi, S.1 Browse this author →KAKEN DB
Muto, S. Browse this author →KAKEN DB
Hazu, K. Browse this author
Suzuki, K. Browse this author
Sota, T. Browse this author
Chichibu, S. F. Browse this author
Mukai, T. Browse this author
Authors(alt): 足立, 智1
Issue Date: 2003
Publisher: American Physical Society
Volume: 67
Start Page: 205212
Publisher DOI: 10.1103/PhysRevB.67.205212
Abstract: The formation of not only A biexcitons (XXAA) but also heterobiexcitons that consist of A and B excitons (XXAB) in a free-standing bulk GaN is identified by polarization-sensitive spectrally resolved FWM measurements. The FWM spectra and delay-time dependence show that the interaction between A and B exciton gives rise to the energy shifts of the spectra and the phase shifts of the quantum beating, which is considered as the effect of the unbound state of XXAB (i.e., XX*AB) and XX is found to play an important role in the FWM signals for all polarizations. The unbound A biexciton (XX*AA) is also observed clearly in spectral and temporal domains.
Rights: Copyright © 2003 American Institute of Physics
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: 足立 智

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