Many-polaron problem by cluster perturbation theory
classification
❄️ cond-mat.str-el
keywords
clustermany-polaronperturbationtheorycarrier-densitychebychevcombineddependence
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The carrier-density dependence of the photoemission spectrum of the Holstein many-polaron model is studied using cluster perturbation theory combined with an improved cluster diagonalization by Chebychev expansion.
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