A parquet-like scheme for the Hedin three-leg vertex self-consistently computes vertex corrections without four-point vertices or Bethe-Salpeter inversions, demonstrated on impurity models.
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Parquet-like equations for the Hedin three-leg vertex
A parquet-like scheme for the Hedin three-leg vertex self-consistently computes vertex corrections without four-point vertices or Bethe-Salpeter inversions, demonstrated on impurity models.