336 citations · 2.1k across the 77 of their papers we have counts for
Showing 2011 · cond-mat.str-elShow all
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cond-mat.str-el2011★ 33 cited
Krylov-space approach to the equilibrium and the nonequilibrium single-particle Green's function
Matthias Balzer, Nadine Gdaniec, Michael Potthoff
The zero-temperature single-particle Green's function of correlated fermion models with moderately large Hilbert-space dimensions can be calculated by means of Krylov-space techniq…
cond-mat.str-el2011★ 94 cited
Self-energy-functional theory
Michael Potthoff
Self-energy-functional theory is a formal framework which allows to derive non-perturbative and thermodynamically consistent approximations for lattice models of strongly correlate…
cond-mat.str-el2011★ 31 cited
Non-equilibrium cluster-perturbation theory
Matthias Balzer, Michael Potthoff
The cluster perturbation theory (CPT) is one of the simplest but systematic quantum cluster approaches to lattice models of strongly correlated electrons with local interactions. B…