Nonequilibrium dynamical mean-field theory

Abstract

The many-body formalism for dynamical mean-field theory is extended to treat nonequilibrium problems. We illustrate how the formalism works by examining the transient decay of the oscillating current that is driven by a large electric field turned on at time t=0. We show how the Bloch oscillations are quenched by the electron-electron interactions, and how their character changes dramatically for a Mott insulator.

4 pages, 4 figures

References in corpus (3)

• Electronic Structure Calculations with Dynamical Mean-Field Theory: A Spectral Density Functional Approach
• Nonlinear response of Bloch electrons in infinite dimensions
• Spectral moment sum rules for strongly correlated electrons in time-dependent electric fields

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