Abstract
We evaluate tunneling rates into/from a voltage biased quantum wire containing a weak backscattering defect. Interacting electrons in such a wire form a true nonequilibrium state of the Luttinger liquid (LL). This state is created due to inelastic electron backscattering leading to the emission of nonequilibrium plasmons with typical frequency . The tunneling rates are split in two edges. The tunneling exponent at the Fermi edge is positive and equals that of the equilibrium LL, while the exponent at the side edge is negative if Coulomb interaction is not too strong.
- Received 19 December 2009
DOI:https://doi.org/10.1103/PhysRevB.81.081306
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