Resonant tunneling in a Luttinger liquid for arbitrary barrier transmission

Details Resonant tunneling in a Luttinger liquid for arbitrary barrier transmission Resonant tunneling in a Luttinger liquid for arbitrary barrier transmission

2003-04-07

arxiv.org/abs/cond-mat/0304158v2

Europhys. Lett. 66, 565-571 (2004)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1209/epl/i2003-10229-5

A numerically exact dynamical quantum Monte Carlo approach has been developed and applied to transport through a double barrier in a Luttinger liquid with arbitrary transmission. For strong transmission, we find broad Fabry-Perot Coulomb blockade peaks, with a lineshape parametrized by a single parameter, but at sufficiently low temperatures, non-Lorentzian universal lineshapes characteristic of coherent resonant tunneling emerge, even for strong interactions. For weak transmission, our data supports the recently proposed correlated sequential tunneling picture and is consistent with experimental results on intrinsic nanotube dots.

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