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PhysRevB.86.085312.pdf | 517.75 kB | Adobe PDF | 見る/開く |
タイトル: | Observation of high Rydberg states of one-dimensional excitons in GaAs quantum wires by magnetophotoluminescence excitation spectroscopy |
著者: | Okano, Makoto Kanemitsu, Yoshihiko https://orcid.org/0000-0002-0788-131X (unconfirmed) Chen, Shaoqiang Mochizuki, Toshimitsu Yoshita, Masahiro Akiyama, Hidefumi Pfeiffer, Loren N. West, Ken W. |
著者名の別形: | 岡野, 真人 金光, 義彦 |
発行日: | 16-Aug-2012 |
出版者: | American Physical Society |
誌名: | Physical Review B |
巻: | 86 |
号: | 8 |
論文番号: | 085312 |
抄録: | We have studied the higher Rydberg states of the ground exciton in T -shaped GaAs quantum wires with low-temperature photoluminescence excitation spectroscopy under magnetic fields. The peak of the second even-parity Rydberg state appears and grows in intensity at the onset of the one-dimensional (1D) continuum edge under strong magnetic fields. In stark contrast to the ground exciton, it shows significantly low zero-field oscillator strength and a large diamagnetic shift. These characteristic features are attributed to the extremely weakly bound wave function of the second Rydberg state, reflecting the inherent and novel character of 1D excitons that was predicted theoretically. |
著作権等: | ©2012 American Physical Society |
URI: | http://hdl.handle.net/2433/159454 |
DOI(出版社版): | 10.1103/PhysRevB.86.085312 |
出現コレクション: | 学術雑誌掲載論文等 |
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