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We apply the Linear Logarithmic Relaxation (LLR) method, which generalizesthe Wang-Landau algorithm to quantum systems with continuous degrees offreedom, to the fermionic Hubbard model with repulsive interactions on thehoneycomb lattice. We compute the generalized density of states of the averageHubbard field and divise two reconstruction schemes to extract physicalobservables from this result. By computing the particle density as a functionof chemical potential we assess the utility of LLR in dealing with the signproblem of this model, which arises away from half filling. We show that therelative advantage over brute-force reweighting grows as the interactionstrength is increased and discuss possible future improvements.

A density of states approach to the hexagonal Hubbard model at finite density