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Experimental evidences of Luttinger liquid behavior in the crossed multi-wall carbon nanotubes

Jinhee Kim, Kicheon Kang, Jeong-O Lee, Kyung-Hwa Yoo, Jae-Ryoung Kim, Jong Wan Park, Hye Mi So, Ju-Jin Kim

cond-mat.mes-hallarXiv:cond-mat/0005083

Abstract

Luttinger liquid behavior was observed in a crossed junction formed with two metallic multi-wall carbon nanotubes whose differential conductance vanished with the power of bias voltage and temperature. With applying constant voltage or current to one of the two carbon nanotubes in a crossed geometry, the electrical transport properties of the other carbon nanotube were affected significantly, implying there exists strong correlation between the carbon nanotubes. Such characteristic features are in good agreement with the theoretical predictions for the crossed two Luttinger liquids.

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