Hybrid Monte Carlo study of monolayer graphene with partially screened Coulomb interactions at finite spin density

URN to cite this document:: urn:nbn:de:bvb:355-epub-395859
DOI to cite this document:: 10.5283/epub.39585

Körner, Michael ; Smith, Dominik

; Buividovich, Pavel ; Ulybyshev, Maksim

; von Smekal, Lorenz

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Date of publication of this fulltext: 20 Mar 2019 13:10

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Abstract

We report on Hybrid Monte Carlo simulations at finite spin density of the p-band electrons in monolayer graphene with realistic interelectron interactions. Unlike simulations at finite charge-carrier density, these are not affected by a fermion-sign problem. Our results are in qualitative agreement with an interaction-induced warping of the Fermi contours and a reduction of the bandwidth as ...