Breakdown of the Migdal-Eliashberg theory: A determinant quantum Monte Carlo study
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DOI: 10.1103/physrevb.97.140501
Abstract: The superconducting (SC) and charge-density-wave (CDW) susceptibilities of the two dimensional Holstein model are computed using determinant quantum Monte Carlo (DQMC), and compared with results computed using the Migdal-Eliashberg (ME) approach. We access temperatures as… read more here.
Keywords: determinant quantum; monte carlo; quantum monte; migdal eliashberg ... See more keywords