Instabilities in self-consistent diagrammatic approaches and how to cure them
cond-mat.str-el, physics.comp-ph
Submitted: 2026-09-10
Updated: 2026-10-09
Terminology
Sources
- Magnetic quantum criticality: The role of the Fermi surface geometry
- On Degeneracies of Density, Magnetic, and Pairing Responses: How Competing Orders Echo Underlying Symmetries in the Hubbard Model
- Multiloop functional renormalization group from single bosons
- The two-particle-irreducible vertex of the two-dimensional lattice $\phi^4$ model across the Ising transition
- Misleading convergence of the skeleton diagrammatic technique: when the correct solution can be found
- Stabilizing the parquet problem
- Adaptive Patching for Tensor Train Computations
- Electronic correlations and dynamical screening with ab initio quantum embedding
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