Nonequilibrium transport in quantum impurity models: the Bethe ansatz for open systems

• Published in: Physical review letters Vol. 96; no. 21; p. 216802
• Main Authors: Mehta, Pankaj, Andrei, Natan
• Format: Journal Article
• Language: English
• Published: United States 02.06.2006

We develop an exact nonperturbative 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. Introd...