Charge Screening Effect in Metallic Carbon Nanotubes

Details Charge Screening Effect in Metallic Carbon Nanotubes Charge Screening Effect in Metallic Carbon Nanotubes

2001-12-11

arxiv.org/abs/cond-mat/0112178v1

Physical Review B 65 (2002) 195412

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 6 figures

Scientific paper

10.1103/PhysRevB.65.195412

Charge screening effect in metallic carbon nanotubes is investigated in a model including the one-dimensional long-range Coulomb interaction. It is pointed out that an external charge which is being fixed spatially is screened by internal electrons so that the resulting object becomes electrically neutral. We found that the screening length is given by about the diameter of a nanotube.

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