Comparing the generalized Kadanoff-Baym ansatz with the full Kadanoff-Baym equations for an excitonic insulator out of equilibrium
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DOI: 10.1103/physrevb.102.115157
Abstract: We investigate out-of-equilibrium dynamics in an excitonic insulator (EI) with a finite momentum pairing perturbed by a laser-pulse excitation and a sudden coupling to fermionic baths. The transient dynamics of the excitonic order parameter is… read more here.
Keywords: generalized kadanoff; equilibrium; kadanoff; kadanoff baym ... See more keywords