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Correlated electron systems

Gap opens in metallic nanotubes

The observation of a Mott transition from a metal to an insulator in an ultraclean carbon nanotube could open the door to a new generation of experiments that explore the influence of electron correlations on the properties of condensed-matter systems.

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Figure 1: Metal–insulator transitions can occur for different reasons, changing the band structure of the system.


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Schönenberger, C. Gap opens in metallic nanotubes. Nature Nanotech 4, 147–148 (2009).

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