Spin-dependent electronic hybridization in a rope of carbon nanotubes

Details Spin-dependent electronic hybridization in a rope of carbon nanotubes Spin-dependent electronic hybridization in a rope of carbon nanotubes

2010-11-17

arxiv.org/abs/1011.4004v2

Phys. Rev. B 83, 201403(R) (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.83.201403

We demonstrate single electron addition to different strands of a carbon nanotube rope. Anticrossings of anomalous conductance peaks occur in quantum transport measurements through the parallel quantum dots forming on the individual strands. We determine the magnitude and the sign of the hybridization as well as the Coulomb interaction between the carbon nanotube quantum dots, finding that the bonding states dominate the transport. In a magnetic field the hybridization is shown to be selectively suppressed due to spin effects.

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