| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Thomale, Ronny
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Phase diagram of the $J$-$J_d$ Heisenberg Model on the Maple-Leaf Lattice: Neural networks and density matrix renormalization group
- 2024The kagome Hubbard model from a functional renormalization group perspective
- 20242024 roadmap on 2D topological insulatorscitations
- 2023Flat band separation and resilient spin-Berry curvature in bilayer kagome metalscitations
- 2023Flat band separation and robust spin Berry curvature in bilayer kagome metalscitations
- 2023Flat band separation and robust spin Berry curvature in bilayer kagome metalscitations
- 2022Van Hove tuning of AV3Sb5 kagome metals under pressure and straincitations
- 2022Hybrid s-wave superconductivity in CrB$_2$
- 2022Unconventional superconductivity from weak couplingcitations
- 2022Chiral surface superconductivity in half-Heusler semimetals
- 2021Nature of Unconventional Pairing in the Kagome Superconductors AV$_3$Sb$_5$ (A=K,Rb,Cs)citations
- 2021Nature of Unconventional Pairing in the Kagome Superconductors $AV_3Sb_5 (A=K,Rb,Cs)$citations
- 2019Large resistivity reduction in mixed-valent CsAuBr3 under pressurecitations
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document
The kagome Hubbard model from a functional renormalization group perspective
Abstract
The recent discovery of a variety of intricate electronic order in kagome metals has sprouted significant theoretical and experimental interest. From an electronic perspective on the potential microscopic origin of these phases, the most basic model is given by a Hubbard model on the kagome lattice. We employ functional renormalization group (FRG) to analyze the kagome Hubbard model. Through our methodological refinement of FRG both within its N-patch and truncated unity formulation, we resolve previous discrepancies of different FRG approaches (Wang et al., 2013 vs. Kiesel et al., 2013), and analyze both the pure ($p$-type) and mixed ($m$-type) van Hove fillings of the kagome lattice. We further study the RG flow into symmetry broken phases to identify the energetically preferred linear combination of the respective order parameter without any need for additional mean field analysis. Our findings suggest some consistency with recent experiments, and underline the richness of electronic phases already found in the kagome Hubbard model. We also provide a no-go theorem for a complex charge bond ordered phase in the single orbital kagome Hubbard model, suggesting that this model cannot capture aspects of orbital current phases.