Nonequilibrium transport for crossed Luttinger liquids
arXiv:cond-mat/9802116 · doi:10.1103/PhysRevLett.80.2881
Abstract
Transport through two one-dimensional interacting metals (Luttinger liquids) coupled together at a single point is analyzed. The dominant coupling mechanism is shown to be of electrostatic nature. Describing the voltage sources by boundary conditions then allows for the full solution of the transport problem. For weak Coulomb interactions, transport is unperturbed by the coupling. In contrast, for strong interactions, unusual nonlinear conductance laws characteristic for the correlated system can be observed.
4 pages REVTeX, incl. two figures, to appear in Phys.Rev.Lett
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