Pseudogap opening in the two-dimensional Hubbard model: A functional renormalization group analysis
Using the recently introduced multiloop extension of the functional renormalization group, we compute the frequency- and momentum-dependent self-energy of the two-dimensional Hubbard model at half filling and weak coupling. We show that, in the truncated-unity approach for the vertex, it is essentia...
Main Authors: | Cornelia Hille, Daniel Rohe, Carsten Honerkamp, Sabine Andergassen |
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Format: | Article |
Language: | English |
Published: |
American Physical Society
2020-07-01
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Series: | Physical Review Research |
Online Access: | http://doi.org/10.1103/PhysRevResearch.2.033068 |
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