Single-boson exchange formulation of the Schwinger-Dyson equation and its application to the functional renormalization group
We extend the recently introduced single-boson exchange formulation to the computation of the self-energy from the Schwinger–Dyson equation (SDE). In particular, we derive its expression both in diagrammatic and in physical channels. The simple form of the single-boson exchange SDE, involving only t...
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| Format: | Article |
| Language: | English |
| Published: |
SciPost
2025-03-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.18.3.078 |
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