Nonequilibrium Dynamical Mean-Field Theory for the Charge-Density-Wave Phase of the Falicov-Kimball Model

Nonequilibrium dynamical mean-field theory (DMFT) is developed for the case of the charge-density-wave ordered phase. We consider the spinless Falicov-Kimball model which can be solved exactly. This strongly correlated system is then placed in an uniform external dc electric field. We present a comp...

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Veröffentlicht in:Journal of superconductivity and novel magnetism 2016-03, Vol.29 (3), p.581-585
Hauptverfasser: Matveev, O. P., Shvaika, A. M., Devereaux, T. P., Freericks, J. K.
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Shvaika, A. M.
Devereaux, T. P.
Freericks, J. K.
description Nonequilibrium dynamical mean-field theory (DMFT) is developed for the case of the charge-density-wave ordered phase. We consider the spinless Falicov-Kimball model which can be solved exactly. This strongly correlated system is then placed in an uniform external dc electric field. We present a complete derivation for nonequilibrium dynamical mean-field theory Green’s functions defined on the Keldysh-Schwinger time contour. We also discuss numerical issues involved in solving the coupled equations.
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subjects Characterization and Evaluation of Materials
charge ordering
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Condensed Matter Physics
Falicov-Kimball model
Magnetic Materials
Magnetism
Nonequilibrium DMFT
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
title Nonequilibrium Dynamical Mean-Field Theory for the Charge-Density-Wave Phase of the Falicov-Kimball Model
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