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14-10E

14-10E


By Velychko - Posted on 26 January 2015

UDC: 
538.9, 538.94, 538.911
PACS: 
71.10.Fd, 71.45.Lr, 72.20.Ht

Nonequilibrium dynamical mean-field theory for the charge-density-wave phase of the Falicov-Kimball model

O.P. Matveev
J.K. Freericks
A.M. Shvaika

Nonequilibrium dynamical mean-field theory is developed for the case of a low-temperature ordered phase with a periodic modulation of the charge density. 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 techniques used to solve the coupled equations.

Year: 
2014
Pages: 
14
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