Transport and Coulomb drag for two interacting carbon nanotubes
arXiv:cond-mat/0007443 · doi:10.1007/s100510170336
Abstract
We study nonlinear transport for two coupled one-dimensional quantum wires or carbon nanotubes described by Luttinger liquid theory. Transport properties are shown to crucially depend on the contact length . For a special interaction strength, the problem can be solved analytically for arbitrary . For point-like contacts and strong interactions, a qualitatively different picture compared to a Fermi liquid emerges, characterized by zero-bias anomalies and strong dependence on the applied cross voltage. In addition, pronounced Coulomb drag phenomena are important for extended contacts.
9 pages, 7 figures (eps files)
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