Carbon nanotubes as excitonic insulators

Fifty years ago Walter Kohn speculated that a zero-gap semiconductor might be unstable against the spontaneous generation of excitons–electron–hole pairs bound together by Coulomb attraction. The reconstructed ground state would then open a gap breaking the symmetry of the underlying lattice, a genu...

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Udgivet i:Nat Commun
Main Authors: Varsano, Daniele, Sorella, Sandro, Sangalli, Davide, Barborini, Matteo, Corni, Stefano, Molinari, Elisa, Rontani, Massimo
Format: Artigo
Sprog:Inglês
Udgivet: Nature Publishing Group UK 2017
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Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC5684388/
https://ncbi.nlm.nih.gov/pubmed/29133914
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-017-01660-8
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