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Quantum phase transitions on the hexagonal lattice
Dominik Smith, Pavel Buividovich, Michael Körner +2
Hubbard-type models on the hexagonal lattice are of great interest, as they provide realistic descriptions of graphene and other related materials. Hybrid Monte Carlo simulations o…
A Hybrid-Monte-Carlo study of monolayer graphene with partially screened Coulomb interactions at finite spin density
Michael Körner, Dominik Smith, Pavel Buividovich +2
We report on Hybrid-Monte-Carlo simulations at finite spin density of the -band electrons in monolayer graphene with realistic inter-electron interactions. Unlike simulations at…
Inter-electron interactions and the RKKY potential between H adatoms in graphene
Pavel Buividovich, Dominik Smith, Maksim Ulybyshev +1
We use first-principles Quantum Monte-Carlo simulations to study the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between hydrogen adatoms attached to a graphene sheet. We find…