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In order to study the magnetic properties of frustrated metallic systems, we present Quantum Monte Carlo data on the magnetic susceptibility of the Hubbard model on triangular and Kagome lattices. We show that the underlying lattice…

Strongly Correlated Electrons · Physics 2009-11-11 N. Bulut , W. Koshibae , S. Maekawa

We study the magnetic properties around the Mott transition in the Kagom\'e lattice Hubbard model by the cellular dynamical mean field theory combined with quantum Monte Carlo simulations. By investigating the q-dependence of the…

Strongly Correlated Electrons · Physics 2009-11-11 Takuma Ohashi , Sei-ichiro Suga , Norio Kawakami , Hirokazu Tsunetsugu

The exploration of topological electronic phases that result from strong electronic correlations is a frontier in condensed matter physics. One class of systems that is currently emerging as a platform for such studies are so-called kagome…

Motivated by recent experiment on the Na$_4$Ir$_3$O$_8$ compound we study the Hubbard model on the "hyper-kagome lattice", which forms a three-dimensional network of corner sharing triangles, using dynamical cluster approximation (DCA)…

Strongly Correlated Electrons · Physics 2009-03-18 Hunpyo Lee , Hartmut Monien

The kagome-lattice Hubbard model attracts widespread interest due to its flat-band and Van Hove singularity features, which can give rise to unconventional magnetism. We employ determinant quantum Monte Carlo simulations to systematically…

Strongly Correlated Electrons · Physics 2026-03-03 Jingyao Wang , Zixuan Jia , Zenghui Fan , Qingzhuo Duan , Tianxing Ma

Inspired by the recent discovery of breathing kagome materials \(\rm Nb_3Cl_8\) and \(\rm Nb_3TeCl_7\), we have explored the influence of the breathing effect on the Hubbard model of the kagome lattice. Utilizing the determinant quantum…

Strongly Correlated Electrons · Physics 2025-08-05 Qingzhuo Duan , Zixuan Jia , Zenghui Fan , Runyu Ma , Jingyao Meng , Bing Huang , Tianxing Ma

The Hubbard model is a standard theoretical tool for studying materials with strong electron-electron interactions, such as the cuprate superconductors. Unfortunately, interaction-driven phenomena such as the transition into the strongly…

Strongly Correlated Electrons · Physics 2026-01-28 Peizhi Mai , Jinchao Zhao , Gaurav Tenkila , Nico A. Hackner , Dhruv Kush , Derek Pan , Philip W. Phillips

The interest in the physical properties of kagome lattices has risen considerably. In addition to the synthesis of new materials, the possibility of realizing ultracold atoms on an optical kagome lattice (KL) raises interesting issues. For…

Strongly Correlated Electrons · Physics 2023-04-26 Lucas O. Lima , Andressa R. Medeiros-Silva , Raimundo R. dos Santos , Thereza Paiva , Natanael C. Costa

The Hubbard model on the Kagome lattice is a widely used interacting model for describing the electronic properties of various transition metal-based Kagome materials. We find altermagnetism driven by Coulomb interaction in the Kagome…

Strongly Correlated Electrons · Physics 2026-04-28 Alejandro Blanco Peces , Jaime Merino

We investigate the Mott transition in the anisotropic kagom\'e lattice Hubbard model using the cellular dynamical mean field theory combined with continuous-time quantum Monte Carlo simulations. By calculating the double occupancy and the…

Strongly Correlated Electrons · Physics 2015-05-19 Yuta Furukawa , Takuma Ohashi , Yohta Koyama , Norio Kawakami

Kagome metals have established a new arena for correlated electron physics. To date, the predominant experimental evidence centers around unconventional charge order, nematicity, and superconductivity, while magnetic fluctuations due to…

The Kagome lattice Fermi-Hubbard model is one of the most physically rich, and at the same time most challenging, models to study in strongly-correlated physics. Among its special features are geometric frustration and a flat energy band…

Strongly Correlated Electrons · Physics 2026-04-30 Francisco Correia , Kyle Corbett , Ehsan Khatami

Mott transition and ferrimagnetism are studied in the Hubbard model on the anisotropic kagom\'e lattice using the variational cluster approximation and the phase diagram at zero temperature and half-filling is analyzed. The ferrimagnetic…

Strongly Correlated Electrons · Physics 2015-03-17 A. Yamada , K. Seki , R. Eder , Y. Ohta

Inspired by the recent experimental progress in pyrochlore derivative RE$_3$Sb$_3$A$_2$O$_{14}$ (A = Mg, Zn), we investigate the Hubbard model on the kagome lattice with an additional hopping $t'/t$, which enables continuous interpolation…

Strongly Correlated Electrons · Physics 2026-04-29 Zixuan Jia , Lufeng Zhang , Qingzhuo Duan , Zenghui Fan , Jingyao Wang , Ying Liang , Bing Huang , Tianxing Ma

We investigate the Mott transition in the Kagom\'e lattice Hubbard model using a cluster extension of dynamical mean field theory. The calculation of the double occupancy, the density of states, the static and dynamical spin correlation…

Strongly Correlated Electrons · Physics 2009-11-11 Takuma Ohashi , Norio Kawakami , Hirokazu Tsunetsugu

We study the Hubbard model with time-reversal invariant flux and spin-orbit coupling and position-dependent onsite energies on the kagome lattice, using numerical and analytical methods. In particular, we perform calculations using real…

Strongly Correlated Electrons · Physics 2022-06-08 Irakli Titvinidze , Julian Legendre , Karyn Le Hur , Walter Hofstetter

We investigate the onset of a not-decaying asymptotic behavior of temporal magnetic correlations in the Hubbard model in infinite dimensions. This long-term memory feature of dynamical spin correlations can be precisely quantified by…

Strongly Correlated Electrons · Physics 2022-06-08 Clemens Watzenböck , Martina Fellinger , Karsten Held , Alessandro Toschi

Motivated by the recent synthesis of a number of Mott insulating square-kagome materials, we explore the rich phenomenology of frustrated magnetism induced by this lattice geometry, also referred to as the squagome or shuriken lattice. On…

Strongly Correlated Electrons · Physics 2023-12-11 Martin Gembé , Heinz-Jürgen Schmidt , Ciarán Hickey , Johannes Richter , Yasir Iqbal , Simon Trebst

The field of frustrated magnetism has been enriched significantly by the discovery of various kagome lattice compounds. These materials exhibit a great variety of macroscopic behaviours ranging from magnetic orders to quantum spin liquids.…

Strongly Correlated Electrons · Physics 2015-08-10 Tsezar F. Seman , Cheng-Chien Chen , Rajiv R. P. Singh , Michel van Veenendaal

The investigation of electronic order-quantum phase interplay in kagome lattices commonly employs the extended Kagome-Hubbard model, where the critical parameters comprise on-site $(U)$ and intersite $(V)$ Coulomb interactions. In…

Strongly Correlated Electrons · Physics 2025-10-08 Feihu Liu , Changxu Liu , Maolin Zeng , Qiyi Zhao
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