Nonequilibrium Transport in Quantum Impurity Models (Bethe-Ansatz for open systems)

Details Nonequilibrium Transport in Quantum Impurity Models (Bethe-Ansatz for open systems) Nonequilibrium Transport in Quantum Impurity Models (Bethe-Ansatz for open systems)

2005-07-31

arxiv.org/abs/cond-mat/0508026v2

Phys. Rev. Lett. 96, 216802 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.96.216802

We develop an exact non-perturbative framework to compute steady-state properties of quantum-impurities subject to a finite bias. We show that the steady-state physics of these systems is captured by nonequilibrium scattering eigenstates which satisfy an appropriate Lippman-Schwinger equation. Introducing a generalization of the equilibrium Bethe-Ansatz - the Nonequilibrium Bethe-Ansatz (NEBA), we explicitly construct the scattering eigenstates for the Interacting Resonance Level model and derive exact, nonperturbative results for the steady-state properties of the system.

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