Dual Fermion outperforms DMFT on thermodynamics, electronic structure and susceptibilities for the Falicov-Kimball model but is less accurate for orbital density versus chemical potential in the doped regime.
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A pre-asymptotic scaling law for the Binder cumulant shows that non-reciprocal interactions act as a relevant perturbation that drives conserved sandpiles from non-mean-field to mean-field criticality.
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Benchmarking the Dual Fermion approach on the Falicov-Kimball model
Dual Fermion outperforms DMFT on thermodynamics, electronic structure and susceptibilities for the Falicov-Kimball model but is less accurate for orbital density versus chemical potential in the doped regime.
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Crossover Scaling of Binder Cumulant and its application in Non-reciprocal Sandpiles
A pre-asymptotic scaling law for the Binder cumulant shows that non-reciprocal interactions act as a relevant perturbation that drives conserved sandpiles from non-mean-field to mean-field criticality.