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PhysRevB.92.205407.pdf1.07 MBAdobe PDF見る/開く
タイトル: Tunable electronic correlation effects in nanotube-light interactions
著者: Miyauchi, Yuhei  kyouindb  KAKEN_id
Zhang, Zhengyi
Takekoshi, Mitsuhide
Tomio, Yuh
Suzuura, Hidekatsu
Perebeinos, Vasili
Deshpande, Vikram V.
Lu, Chenguang
Berciaud, Stéphane
Kim, Philip
Hone, James
Heinz, Tony F.
著者名の別形: 宮内, 雄平
発行日: 4-Nov-2015
出版者: American Physical Society
誌名: Physical Review B
巻: 92
号: 20
論文番号: 205407
抄録: Electronicmany-body correlation effects in one-dimensional (1D) systems such as carbon nanotubes have been predicted to strongly modify the nature of photoexcited states. Here we directly probe this effect using broadband elastic light scattering from individual suspended carbon nanotubes under electrostatic gating conditions. We observe significant shifts in optical transition energies, as well as line broadening, as the carrier density is increased. The results demonstrate the role of screening of many-body electronic interactions on the different length scales, a feature inherent to quasi-1D systems. Our findings further demonstrate the possibility of electrical tuning of optical transitions and provide a basis for understanding of various optical phenomena in carbon nanotubes and other quasi-1D systems in the presence of charge carrier doping.
著作権等: ©2015 American Physical Society
URI: http://hdl.handle.net/2433/207610
DOI(出版社版): 10.1103/PhysRevB.92.205407
出現コレクション:学術雑誌掲載論文等

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