%0 Journal Article %1 spataru2004excitonic %A Spataru, Catalin D %A Ismail-Beigi, Sohrab %A Benedict, Lorin X %A Louie, Steven G %D 2004 %I APS %J Physical Review Letters %K BSE CNT theory %N 7 %P 077402 %T Excitonic effects and optical spectra of single-walled carbon nanotubes %V 92 %X Many-electron effects often dramatically modify the properties of reduced dimensional systems. We report calculations, based on an ab initio many-electron Green’s function approach, of electron-hole interaction effects on the optical spectra of small-diameter single-walled carbon nanotubes. Excitonic effects qualitatively alter the optical spectra of both semiconducting and metallic tubes. Excitons are bound by ∼1  eV in the semiconducting (8,0) tube and by ∼100  meV in the metallic (3,3) tube. These large many-electron effects explain the discrepancies between previous theories and experiments.

@article{spataru2004excitonic, abstract = {Many-electron effects often dramatically modify the properties of reduced dimensional systems. We report calculations, based on an ab initio many-electron Green’s function approach, of electron-hole interaction effects on the optical spectra of small-diameter single-walled carbon nanotubes. Excitonic effects qualitatively alter the optical spectra of both semiconducting and metallic tubes. Excitons are bound by ∼1  eV in the semiconducting (8,0) tube and by ∼100  meV in the metallic (3,3) tube. These large many-electron effects explain the discrepancies between previous theories and experiments.}, added-at = {2019-05-04T17:34:20.000+0200}, author = {Spataru, Catalin D and Ismail-Beigi, Sohrab and Benedict, Lorin X and Louie, Steven G}, biburl = {https://www.bibsonomy.org/bibtex/20a294989e7d44f1236907056c064aaf7/skoerbel}, interhash = {917486e2a5a467639c9d98ad6febb867}, intrahash = {0a294989e7d44f1236907056c064aaf7}, journal = {Physical Review Letters}, keywords = {BSE CNT theory}, number = 7, pages = 077402, publisher = {APS}, timestamp = {2019-05-04T17:34:20.000+0200}, title = {Excitonic effects and optical spectra of single-walled carbon nanotubes}, volume = 92, year = 2004 }