Nonlinear magnetotransport in interacting chiral nanotubes
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Nonlinear transport through interacting single-wall nanotubes containing a few impurities is studied theoretically. Extending the Luttinger liquid theory to incorporate trigonal warping and chirality effects, we derive the current contribution $I_e$ {\sl even} in the applied voltage $V$ and {\sl odd} in an orbital magnetic field $B$, which is non-zero only for chiral tubes and in the presence of interactions.
4 pages, 1 figure, minor changes, to appear in PRL
4 pages, 1 figure, minor changes, to appear in PRL