| Transport properties of disordered carbon nanotubes with long-range Coulomb interaction (2000) | |||||||||||
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| PHYSICAL REVIEW VOLUME NUMBER MARCH Transport properties disordered carbon nanotubes with long range Coulomb interaction Hideo Yoshioka Department Physics Nagoya University Nagoya Japan and Department Applied Physics Delft University Technology Lorentzweg Delft The Netherlands Received March revised manuscript received December Transport properties disordered carbon nanotubes are investigated including long range Coulomb interaction The resistivity and optical conductivity are calculated using the memory functional method addition the effect localization taken into account use the renormalization group analysis and shown that the backward scattering the intravalley and that the intervalley cannot coexist the localized regime Differences between the transport properties for the metallic state with two valleys and those with one valley are discussed Single wall carbon nanotubes SWNT are the new materials that are experimental realization onedimensional electron systems Since the SWNT made rolling graphite sheet expected that fascinating properties different from the conventional quantum wires made from semiconductor heterostructures will observed From this point view transport properties disordered SWNT have been discussed Refs and has been predicted that the backward scattering due the impurities vanishes when the range the impurity potential much larger than the lattice constant but that the backward scattering reappears when applying magnetic field perpendicular the tube axi | |||||||||||
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