Comment on “The role of electron-electron interactions in two-dimensional Dirac fermions”

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Authors S Hesselmann, Thomas C. Lang, Malte Schuler, Sadie Wessel, A M Läuchli
Journal/Conference Name Science
Paper Category
Paper Abstract Tang et al. (Research Articles, 10 August 2018, p. 570) report on the properties of Dirac fermions with both on-site and Coulomb interactions. The substantial decrease, up to ~40%, of the Fermi velocity of Dirac fermions with on-site interaction is inconsistent with the numerical data near the Gross-Neveu quantum critical point. This results from an inappropriate finite-size extrapolation.
Date of publication 2019
Code Programming Language Python

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