Unconventional Fermi surface instabilities in the Kagome Hubbard Model

Abstract

We investigate the competing Fermi surface instabilities in the Kagome tight-binding model. Specifically, we consider onsite and short-range Hubbard interactions in the vicinity of van Hove filling of the dispersive Kagome bands where the Fermiology promotes the joint effect of enlarged density of states and nesting. The sublattice interference mechanism [Kiesel and Thomale, Phys. Rev. B Rapid Comm., in press.] allows us to explain the intricate interplay between ferromagnetic fluctuations and other ordering tendencies. On the basis of functional renormalization group used to obtain an adequate low-energy theory description, we discover finite angular momentum spin and charge density wave order, a two-fold degenerate d-wave Pomeranchuk instability, and f-wave superconductivity away from van Hove filling. Together, this makes the Kagome Hubbard model the prototypical scenario for several unconventional Fermi surface instabilities.

4+e pages, 5 figures

References in corpus (2)

• Antiferromagnetically Driven Electronic Correlation in Iron Pnictides and Cuprates
• Bond order wave instabilities in doped frustrated antiferromagnets: "Valence bond solids" at fractional filling

Cited by in corpus (292)

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• Superconductivity and normal-state properties of kagome metal RbV3Sb5 single crystals
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• Analysis of Charge Order in the Kagome Metal $A$V${}_3$Sb${}_5$ ($A=$K,Rb,Cs)
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• Quantum states and intertwining phases in kagome materials
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• s-wave superconductivity in kagome metal CsV${}_3$Sb${}_5$ revealed by ${}^{121/123}$Sb NQR and ${}^{51}$V NMR measurements
• Interplay between charge order and superconductivity in the kagome metal KV${}_3$Sb${}_5$
• AV${}_3$Sb${}_5$ Kagome Superconductors: Progress and Future Directions
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• Nodeless superconductivity in the kagome metal CsV${}_3$Sb${}_5$
• Origin of the Charge Density Wave in the Kagome Metal CsV${}_3$Sb${}_5$ as Revealed by Optical Spectroscopy
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• Emergence of new van Hove singularities in the charge density wave state of a topological kagome metal RbV3Sb5
• Fermi level tuning and double-dome superconductivity in the kagome metals CsV${}_3$Sb${}_{5-x}$Sn${}_x$
• Coherent phonon spectroscopy and interlayer modulation of charge density wave order in the kagome metal CsV${}_3$Sb${}_5$
• Nodeless electron pairing in CsV${}_3$Sb${}_5$-derived kagome superconductors
• Mechanism of exotic density-wave and beyond-Migdal unconventional superconductivity in kagome metal AV3Sb5 (A=K, Rb, Cs)
• Realizing Kagome Band Structure in Two-Dimensional Kagome Surface States of $R{V}_{6}S{n}_6$ ($R$=Gd,Ho)
• Quantum transport evidence of topological band structures of kagome superconductor CsV3Sb5
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• Charge-density-wave-induced bands renormalization and energy gaps in a kagome superconductor RbV3Sb5
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• Study of the electronic properties of topological kagome metals YV${}_6$Sn${}_6$ and GdV${}_6$Sn${}_6$
• Electron-phonon coupling in the charge density wave state of CsV${}_3$Sb${}_5$
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• Superconductivity emerging from density-wave-like order in a correlated kagome metal
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• sd2 Graphene: Kagome Band in Hexagonal lattice
• Electronic correlations in the normal state of kagome superconductor KV${}_3$Sb${}_5$
• Tunable Topological Dirac Surface States and Van Hove Singularities in Kagome Metal GdV${}_6$Sn${}_6$
• Competition between charge-density-wave and superconductivity in the kagome metal RbV3Sb5
• Loop currents in $A$V${}_3$Sb${}_5$ kagome metals: multipolar and toroidal magnetic orders
• Temperature-driven reorganization of electronic order in CsV${}_3$Sb${}_5$
• Low-energy optical properties of the non-magnetic kagome metal CsV${}_3$Sb${}_5$
• Revealing the competition between charge-density wave and superconductivity in CsV${}_3$Sb${}_5$ through uniaxial strain
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• Chiral excitonic order from twofold van Hove singularities in kagome metals
• Softening of a flat phonon mode in the kagome ScV${}_6$Sn${}_6$
• Conjoined Charge Density Waves in the Kagome Superconductor CsV3Sb5
• Spatial symmetry constraint of charge-ordered kagome superconductor CsV${}_3$Sb${}_5$
• Charge density wave order in kagome metal AV${}_3$Sb${}_5$ (A= Cs, Rb, K)
• Abundant lattice instability in kagome metal ScV${}_6$Sn${}_6$
• Unified description of electronic orderings and cross correlations by complete multipole representation
• Spin-phonon coupling driven Charge density wave in a Kagome Magnet
• Novel magnetic orderings in the kagome Kondo-lattice model
• No observation of chiral flux current in the topological kagome metal CsV${}_3$Sb${}_5$
• Observation of Flat Band, Dirac Nodal Lines and Topological Surface States in Kagome Superconductor CsTi${}_3$Bi${}_5$
• Geometry of the charge density wave in kagom$\acute{e}$ metal AV${}_3$Sb${}_5$
• Tuning the van Hove singularities in AV${}_3$Sb${}_5$ (A = K, Rb, Cs) via pressure and doping
• Competing superconductivity and charge-density wave in Kagome metal CsV3Sb5: evidence from their evolutions with sample thickness
• Flat band separation and robust spin-Berry curvature in bilayer kagome metals
• Observation of electronic nematicity driven by three-dimensional charge density wave in kagome lattice KV${}_3$Sb${}_5$
• Testing Electron-phonon Coupling for the Superconductivity in Kagome Metal $\mathrm{Cs}{\mathrm{V}}_3\mathrm{S}{\mathrm{b}}_5$
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• A new class of bilayer kagome lattice compounds with Dirac nodal lines and pressure-induced superconductivity
• Phonon promoted charge density wave in topological kagome metal ScV${}_6$Sn${}_6$
• Charge-loop current order and Z3 nematicity mediated by bond-order fluctuations in kagome metal AV3Sb5 (A=Cs,Rb,K)
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• Quantum Interactions in Topological R166 Kagome Magnet
• Loop-current charge density wave driven by long-range Coulomb repulsion on the kagome lattice
• Superconductivity from repulsive interactions on the kagome lattice
• Theory of nematic charge orders in kagome metals
• Optical study of RbV${}_3$Sb${}_5$: Multiple density-wave gaps and phonon anomalies
• Strain-sensitive superconductivity in kagome metals KV${}_3$Sb${}_5$ and CsV${}_3$Sb${}_5$ probed by point-contact spectroscopy
• Three-dimensional energy gap and origin of charge-density wave in kagome superconductor KV3Sb5
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• Carrier Injection and Manipulation of Charge-Density Wave in Kagome Superconductor CsV3Sb5
• Evolution of highly anisotropic magnetism in the titanium-based kagome metals LnTi${}_3$Bi${}_4$ (Ln: La...Gd${}^{3+}$, Eu${}^{2+}$, Yb${}^{2+}$)
• Crucial role of out-of-plane Sb-$p$ orbitals in Van Hove singularity formation and electronic correlation for superconducting Kagome metal CsV${}_3$Sb${}_5$
• Microscopic nature of the charge-density wave in kagome superconductor RbV${}_3$Sb${}_5$
• Origin of Charge Density Wave in Layered Kagome Metal CsV${}_3$Sb${}_5$
• Emergent nematicity and intrinsic vs. extrinsic electronic scattering processes in the kagome metal CsV${}_3$Sb${}_5$
• Gapless excitations inside the fully gapped kagome superconductors AV${}_3$Sb${}_5$
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• Fermiology and Origin of Tc Enhancement in a Kagome Superconductor Cs(V1-xNbx)3Sb5
• Spectroscopic Evidence for a Three-Dimensional Charge Density Wave in Kagome Superconductor CsV${}_3$Sb${}_5$
• Van Hove tuning of AV3Sb5 kagome metals under pressure and strain
• Magneto-Seebeck effect and ambipolar Nernst effect in CsV${}_3$Sb${}_5$ superconductor
• Emergence of large quantum oscillation frequencies in thin flakes of the kagome superconductor CsV${}_3$Sb${}_5$
• Tuning charge-density wave order and superconductivity in the kagome metals KV${}_3$Sb${}_{5-x}$Sn${}_x$ and RbV${}_3$Sb${}_{5-x}$Sn${}_x$
• Frustrated charge order and cooperative distortions in ScV6Sn6
• Multidome superconductivity in charge density wave kagome metals
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• Unconventional superconductivity protected from disorder on the kagome lattice
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• Twistronics of Janus transition metal dichalcogenide bilayers
• Novel three-dimensional Fermi surface and electron-correlation-induced charge density wave in FeGe
• Electronic properties of correlated kagomé metals AV${}_3$Sb${}_5$(A = K, Rb, Cs): A perspective
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• Dynamics and Resilience of the Charge Density Wave in a bilayer kagome metal
• Superconducting pairing symmetry in the kagome-lattice Hubbard model
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• Electronic Landscape of Kagome Superconductors $\text{A}$V${}_3$Sb${}_5$ ($\text{A}$ = K, Rb, Cs) from Angle-Resolved Photoemission Spectroscopy
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• Magnetic interactions and possible structural distortion in kagome FeGe from first-principles study and symmetry analysis
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• Altermagnetic phase transition in a Lieb metal
• Superconducting, topological and transport properties of kagome metals CsTi${}_3$Bi${}_5$ and RbTi${}_3$Bi${}_5$
• Drastic magnetic-field-induced chiral current order and emergent current-bond-field interplay in kagome metals
• A Rigorous Formalism of Unconventional Symmetry Breaking in Fermi Liquid Theory and Its Application to Nematicity in FeSe
• Altermagnetic Ground State in Distorted Kagome Metal CsCr${}_3$Sb${}_5$
• Flat-Band Enhanced Antiferromagnetic Fluctuations and Superconductivity in Pressurized CsCr${}_3$Sb${}_5$
• Intriguing Low-Temperature Phase in the Antiferromagnetic Kagome Metal FeGe
• Structures and physical properties of V-based kagome metals CsV${}_6$Sb${}_6$ and CsV${}_8$Sb${}_{12}$
• Discovery of two families of VSb-based compounds with V-kagome lattice
• Surface-termination-dependent electronic states in kagome superconductors AV3Sb5 (A = K, Rb, Cs) studied by micro-ARPES
• Observation of flat and weakly dispersing bands in a van der Waals semiconductor Nb3Br8 with breathing kagome lattice
• Evolution of superconductivity and charge order in pressurized RbV${}_3$Sb${}_5$
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• Role of electronic correlations in the Kagome lattice superconductor LaRh${}_3$B${}_2$
• Higher-order Oscillatory Planar Hall Effect in Topological Kagome Metal
• Effects of Nb Doping on the Charge-Density Wave and Electronic Correlations in the Kagome Metal Cs(V${}_{1-x}$Nb${}_x$)${}_3$Sb${}_5$
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• Sublattice modulated superconductivity in the Kagome Hubbard model
• Charge order above room-temperature in a prototypical kagome superconductor La(Ru${}_{1-x}$Fe${}_x$)${}_3$Si${}_2$
• Electrical and thermal transport properties of kagome metals $A$Ti${}_3$Bi${}_5$ ($A$ = Rb, Cs)
• divERGe implements various Exact Renormalization Group examples
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• YbV${}_3$Sb${}_4$ and EuV${}_3$Sb${}_4$, vanadium-based kagome metals with Yb${}^{2+}$ and Eu${}^{2+}$ zig-zag chains
• Spin density wave and van Hove singularity in the kagome metal CeTi3Bi4
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• Electronic Correlations and Evolution of the Charge-Density Wave in the Kagome Metals $A$V${}_3$Sb${}_5$ ($A$ = K, Rb, Cs)
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• FeGe as a building block for the kagome 1:1, 1:6:6, and 1:3:5 families: hidden d-orbital decoupling of flat band sectors, effective models and interaction Hamiltonians
• Pressure evolution of electron dynamics in the superconducting kagome metal CsV${}_3$Sb${}_5$
• Effect of nonhydrostatic pressure on the superconducting kagome metal CsV${}_3$Sb${}_5$
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• Kagome metals
• Topological and nodal superconductor kagome magnesium triboride
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• Crossover between electron-electron and electron-phonon mediated pairing on the Kagome lattice
• Intricate magnetic landscape in antiferromagnetic kagome metal TbTi${}_3$Bi${}_4$ and interplay with Ln${}_{2-x}$Ti${}_{6+x}$Bi${}_9$ (Ln: Tb-Lu) shurikagome metals
• Kagome Materials I: SG 191, ScV${}_6$Sn${}_6$. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory
• Persistent flat band splitting and strong selective band renormalization in a kagome magnet thin film
• Evolution of charge density waves from three-dimensional to quasi-two-dimensional in Kagome superconductors Cs(V${}_{1-x}{M}_x$)${}_3$Sb${}_5$ ($M$ = Nb, Ta)
• Low-Energy Electronic Structure in the Unconventional Charge-Ordered State of ScV${}_6$Sn${}_6$
• Similarities and Differences in the Fermiology of Kagome Metals AV${}_3$Sb${}_5$ (A=K, Rb, Cs) Revealed by Shubnikov-de Haas Oscillations
• Large Fermi surface in pristine kagome metal CsV${}_3$Sb${}_5$ and enhanced quasiparticle effective masses
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• Evolution of ultra-flat band in van der Waals kagome semiconductor Pd3P2(S1-xSex)8
• Quantum Phases of Kagome Electron System with Half-Filled Flat Bands
• Enhanced nematicity emerging from higher-order van Hove singularities
• Chemical Rules for Stacked Kagome and Honeycomb Topological Semimetals
• Electronic band structures of topological kagome materials
• Competition between d-wave superconductivity and magnetism in uniaxially strained Sr2RuO4
• Observation of anomalous amplitude modes in the kagome metal CsV${}_3$Sb${}_5$
• Electronic structure and spin-lattice relaxation in superconducting vortex states on the kagome lattice near van Hove filling
• Orbital-selective effect of spin reorientation on the Dirac fermions in a non-charge-ordered kagome ferromagnet Fe${}_3$Ge
• Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe
• Order-by-disorder charge density wave condensation at $\text{q}=(\frac{1}{3},\frac{1}{3},\frac{1}{3})$ in kagome metal ScV${}_6$Sn${}_6$
• Existence of Hebel-Slichter peak in unconventional kagome superconductors
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• Tunability of charge density wave in a magnetic kagome metal
• Interplay between Chiral Charge Density Wave and Superconductivity in Kagome Superconductors: A Self-consistent Theoretical Analysis
• Enhancement of the superconductivity and quantum metallic state in the thin film of superconducting Kagome metal KV${}_3$Sb${}_5$
• Unified picture of superconductivity and magnetism in CeRh${}_2$As${}_2$
• Hubbard model on the kagome lattice with time-reversal invariant flux and spin-orbit coupling
• A density-wave-like transition in the polycrystalline V3Sb2 sample with bilayer kagome lattice
• Three-dimensional higher-order saddle points induced flat bands in Co-based kagome metals
• Higher-order topological superconductivity in monolayer WTe${}_2$ from repulsive interactions
• Frustrated Ising charge correlations in the kagome metal ScV${}_6$Sn${}_6$
• Intriguing kagome topological materials
• Observation of Anomalous Thermal Hall Effect in a Kagome Superconductor
• Topological electronic structure and electronic nematicity in candidate kagome superconductors, ATi${}_3$Bi${}_5$ (A = Rb, Cs)
• Probing the pairing symmetry in kagome superconductors based on the single-particle spectrum
• Real-space Loop Current Pattern in Time-reversal-symmetry Breaking Phase in Kagome Metals
• Exotic charge density waves and superconductivity on the Kagome Lattice
• Observation of Fermi-surface-dependent anisotropic Cooper pairing in kagome superconductor CsV3Sb5
• Quantum-metric-induced giant and reversible nonreciprocal transport phenomena in chiral loop-current phases of kagome metals
• Tuning electronic pairing by uniaxial strain in kagome lattices
• Higher-Order Van Hove Singularities in Kagome Topological Bands
• Unveiling van Hove singularity modulation and fluctuated charge order in kagome superconductor $\mathrm{Cs}{\mathrm{V}}_3\mathrm{S}{\mathrm{b}}_5$ via time-resolved ARPES
• Electronic structure of $A$V${}_3$Sb${}_5$ kagome metals
• Origin of competing charge density waves in kagome metal ScV${}_6$Sn${}_6$
• Interplay of $d$- and $p$-states in RbTi${}_3$Bi${}_5$ and CsTi${}_3$Bi${}_5$ flat-band kagome metals
• Microscopic study of the impurity effect in the kagome superconductor La(Ru${}_{1-x}$Fe${}_x$)${}_3$Si${}_2$
• Theories for charge-driven nematicity in kagome metals
• Evidence for reduced periodic lattice distortion within the Sb-terminated surface layer of the kagome metal CsV${}_3$Sb${}_5$
• Lattice dynamics study of electron-correlation-induced charge density wave in antiferromagnetic kagome metal FeGe
• A critical nematic phase with pseudogap-like behavior in twisted bilayers
• Charge bond order and s-wave superconductivity in the kagome lattice with electron-phonon coupling and electron-electron interaction
• Photoemission Insights to Electronic Orders in Kagome Superconductor AV3Sb5
• Chiral symmetry breaking through spontaneous dimerization in kagomé metals
• Loop Current Order on the Kagome Lattice
• Interplay of superconductivity and charge-density-wave order in kagome materials
• Impact of Charge Density Waves on Superconductivity and Topological Properties in AV${}_3$Sb${}_5$ Kagome Superconductors
• Interplay of Charge Density Wave and Magnetism on the Kagomé Lattice
• Competing Lattice Instability and Magnetism on the Surface of Kagome Metals
• Encoding innumerable charge density waves of FeGe into polymorphs of LiFe6Ge6
• Charge-density wave fluctuation driven composite order in the layered Kagome Metals
• Low-energy effective theory and symmetry classification of flux phases on Kagome lattice
• Impact of charge-density-wave pattern on the superconducting gap in V-based kagome superconductors
• Inversion and Tunability of Van Hove Singularities in $A$V${}_3$Sb${}_5$ ($A$ = K, Rb, and Cs) kagome metals
• Incommensurate Transverse Peierls Transition
• van Hove Singularity-Driven Emergence of Multiple Flat Bands in Kagome Superconductors
• Common sublattice-pure van Hove singularities in the kagome superconductors $\text{A}$V${}_3$Sb${}_5$ ($\text{A}$ = K, Rb, Cs)
• Pressure-induced superconductivity in flat-band Kagome compounds Pd${}_3$P${}_2$(S${}_{1-x}$Se${}_x$)${}_8$
• Magnetic order and physical properties of the Kagome metal UNb${}_6$Sn${}_6$
• Matrix element interference in $N$-patch functional renormalization group
• Pairing correlation of the Kagome-lattice Hubbard model with the nearest-neighbor interaction
• Calculated Unconventional Superconductivity via Charge Fluctuations in Kagome Metal CsV3Sb5
• Stacking-Dependent Van Hove Singularity Shifts in Three-Dimensional Charge Density Waves of Kagome Metals AV${}_3$Sb${}_5$ (A = K, Rb, Cs)
• Successive orthorhombic distortions in kagome metals by molecular orbital formation
• Constraints on the orbital flux phase in $A$V${}_3$Sb${}_5$ from polar Kerr effect
• Origin of switchable quasiparticle-interference chirality in loop-current phase of kagome metals measured by scanning-tunneling-microscopy
• Coexisting Kagome and Heavy Fermion Flat Bands in YbCr${}_6$Ge${}_6$
• Observation of unexpected band splitting and magnetically-induced band structure reconstruction in TbTi${}_3$Bi${}_4$
• Fault-tolerant quantum simulation of generalized Hubbard models
• Pressure suppresses the density wave order in kagome metal LuNb${}_6$Sn${}_6$
• Magnetic field-induced momentum-dependent symmetry breaking in a kagome superconductor
• Recent progress in quantum spin liquids, fractional magnetization plateaus, and unconventional superconductivity in kagome lattices
• Resistive anisotropy in the charge density wave phase of Kagome superconductor CsV3Sb5 thin films
• Nonequilibrium control of kagome metals
• Topological Aspects of Dirac Fermions in a Kagomé Lattice
• Magnetism of kagome metals $\left({\text{Fe}}_{1-x}{\text{Co}}_x\right)\text{Sn}$ studied by $\mu$SR
• Current-induced magnetoresistance hysteresis in the kagome superconductor CsV${}_3$Sb${}_5$
• Inter-Layer Correlation of Loop Current Charge Density Wave on the Bilayer Kagomé Lattice
• Time-Resolved Photoemission Spectroscopy of Quantum Materials Using High Harmonic Generation: Probing Electron-Phonon Interactions and Non-Equilibrium Dynamics
• Kohn-Luttinger-like mechanism for unconventional charge density waves
• Crystal structure, properties and pressure-induced insulator-metal transition in layered kagome chalcogenides
• Persistence of charge density wave fluctuations in the absence of long-range order in a hole-doped kagome metal
• Compatible Instability: Gauge Constraints of Elasticity Inherited by Electronic Nematic Criticality
• Kekulé order from diffuse nesting near higher-order Van Hove points
• Beyond kagome: $p$-bands in kagome metals
• Density-wave like behavior in a new Kagome material Ce${}_2$Ru${}_3$Si
• Doping-induced nematic and stripe orders within the charge density wave state of TiSe${}_2$
• Giant Impurity Effects on Charge Loop Current Order States in Kagome Metals
• Role of On-site and Inter-site Coulomb Interactions in KV${}_3$Sb${}_5$: A first-principles DFT+$U$+$V$ study
• Spin bond order driven by extended repulsive interactions in doped graphene
• Charge-density waves in kagome-lattice extended Hubbard models at the van Hove filling
• Functional renormalization of spinless triangular-lattice fermions: $N$-patch vs. truncated-unity scheme
• Topological pair density waves in kagome superconductors
• Synergistic doping and stabilization of magnetically tunable LnTi${}_3$(Sb,Sn)${}_4$ (Ln:Ce--Gd) kagome metals
• Magnetic and electric properties of the metallic kagome antiferromagnet CrRhAs
• Surface Functional Renormalization Group for Layered Quantum Materials
• Microscopic origin of period-four stripe charge-density-wave in kagome metal CsV${}_3$Sb${}_5$
• Electronic and structural properties of Rh- and Pd-based kagome layered shandites from first principles
• Theory of unconventional magnetism in a Cu-based kagome metal
• Magnetic response and antiferromagnetic correlations in strained kagome ribbons
• Evolution from Topological Dirac Metal to Flat-band-Induced Antiferromagnet in Layered KxNi4S2 (0<=x<=1)