Scrutinizing GW-Based Methods Using the Hubbard Dimer
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DOI: 10.3389/fchem.2021.751054
Abstract: Using the simple (symmetric) Hubbard dimer, we analyze some important features of the GW approximation. We show that the problem of the existence of multiple quasiparticle solutions in the (perturbative) one-shot GW method and its… read more here.
Keywords: scrutinizing based; dimer; using hubbard; hubbard dimer ... See more keywords