Multiple Exciton Generation by a Single Photon in Single-Walled Carbon Nanotubes | Zendy

Satoru Konabe | Zendy; Susumu Okada | Zendy

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Multiple Exciton Generation by a Single Photon in Single-Walled Carbon Nanotubes

Author(s) -

Satoru Konabe,

Susumu Okada

Publication year - 2012

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.108.227401

Subject(s) - carbon nanotube , exciton , materials science , photon , coupling (piping) , biexciton , optical properties of carbon nanotubes , carbon fibers , photon energy , atomic physics , molecular physics , nanotechnology , physics , condensed matter physics , nanotube , quantum mechanics , composite material , composite number , metallurgy

Multiple-exciton generation in single-walled carbon nanotubes is investigated theoretically. We show that multiple excitons can be directly generated by a single photon through resonant coupling with multiexciton states. Further, the theoretically predicted threshold energy for this process is consistent with recent experimental results. Our calculations clarify the elementary processes of multiple-exciton generation in single-walled carbon nanotubes

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