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Numerical evidence of conformal phase transition in graphene with long-range interactions

Buividovich, Pavel ; Smith, Dominik ; Ulybyshev, Maksim ; von Smekal, Lorenz



Abstract

Using state of the art Hybrid Monte Carlo (HMC) simulations we carry out an unbiased study of the competition between spin-density wave (SDW) and charge-density wave (CDW) order in suspended graphene. We determine that the realistic interelectron potential of graphene must be scaled up by a factor of roughly 1.6 to induce a semimetal-SDW phase transition and find no evidence for CDW order. A ...

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