Zobrazeno 1 - 10 of 58 pro vyhledávání: '"Michel Ferrero"'
1
Akademický článek
Two-dimensional Hubbard model at finite temperature: Weak, strong, and long correlation regimes
Autor: Fedor Šimkovic IV, Riccardo Rossi, Michel Ferrero
Publikováno v: Physical Review Research, Vol 4, Iss 4, p 043201 (2022)
We investigate the momentum-resolved spin and charge susceptibilities, as well as the chemical potential and double occupancy in the two-dimensional Hubbard model as functions of doping, temperature, and interaction strength. Through these quantities
Externí odkaz: https://doaj.org/article/85a671a350dc43d5a259b8f057483965
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2
Akademický článek
Mott Insulating States with Competing Orders in the Triangular Lattice Hubbard Model
Autor: Alexander Wietek, Riccardo Rossi, Fedor Šimkovic, IV, Marcel Klett, Philipp Hansmann, Michel Ferrero, E. Miles Stoudenmire, Thomas Schäfer, Antoine Georges
Publikováno v: Physical Review X, Vol 11, Iss 4, p 041013 (2021)
The physics of the triangular lattice Hubbard model exhibits a rich phenomenology, ranging from a metal-insulator transition, intriguing thermodynamic behavior, and a putative spin liquid phase at intermediate coupling, ultimately becoming a magnetic
Externí odkaz: https://doaj.org/article/a4cab5bbe5da4b1fb202e76459ee915a
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3
Akademický článek
Tracking the Footprints of Spin Fluctuations: A MultiMethod, MultiMessenger Study of the Two-Dimensional Hubbard Model
Autor: Thomas Schäfer, Nils Wentzell, Fedor Šimkovic, IV, Yuan-Yao He, Cornelia Hille, Marcel Klett, Christian J. Eckhardt, Behnam Arzhang, Viktor Harkov, François-Marie Le Régent, Alfred Kirsch, Yan Wang, Aaram J. Kim, Evgeny Kozik, Evgeny A. Stepanov, Anna Kauch, Sabine Andergassen, Philipp Hansmann, Daniel Rohe, Yuri M. Vilk, James P. F. LeBlanc, Shiwei Zhang, A.-M. S. Tremblay, Michel Ferrero, Olivier Parcollet, Antoine Georges
Publikováno v: Physical Review X, Vol 11, Iss 1, p 011058 (2021)
The Hubbard model represents the fundamental model for interacting quantum systems and electronic correlations. Using the two-dimensional half-filled Hubbard model at weak coupling as a testing ground, we perform a comparative study of a comprehensiv
Externí odkaz: https://doaj.org/article/203133f3a68c4847877129268659a912
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4
Akademický článek
Effect of Van Hove singularities in the onset of pseudogap states in Mott insulators
Autor: Wei Wu, Mathias S. Scheurer, Michel Ferrero, Antoine Georges
Publikováno v: Physical Review Research, Vol 2, Iss 3, p 033067 (2020)
The Mott insulating phase of parent compounds is frequently taken as a starting point for underdoped high-T_{c} cuprate superconductors. In particular, the pseudogap state is often considered as deriving from the Mott insulator. In this work, we syst
Externí odkaz: https://doaj.org/article/f6773deccdfe4b6eae703fe28d27aa9e
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5
Akademický článek
Pseudogap and Fermi-Surface Topology in the Two-Dimensional Hubbard Model
Autor: Wei Wu, Mathias S. Scheurer, Shubhayu Chatterjee, Subir Sachdev, Antoine Georges, Michel Ferrero
Publikováno v: Physical Review X, Vol 8, Iss 2, p 021048 (2018)
One of the distinctive features of hole-doped cuprate superconductors is the onset of a “pseudogap” below a temperature T^{*}. Recent experiments suggest that there may be a connection between the existence of the pseudogap and the topology of th
Externí odkaz: https://doaj.org/article/b8683b43ad304d48b78d1c76ff21b8de
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6
Akademický článek
Solutions of the Two-Dimensional Hubbard Model: Benchmarks and Results from a Wide Range of Numerical Algorithms
Autor: J. P. F. LeBlanc, Andrey E. Antipov, Federico Becca, Ireneusz W. Bulik, Garnet Kin-Lic Chan, Chia-Min Chung, Youjin Deng, Michel Ferrero, Thomas M. Henderson, Carlos A. Jiménez-Hoyos, E. Kozik, Xuan-Wen Liu, Andrew J. Millis, N. V. Prokof’ev, Mingpu Qin, Gustavo E. Scuseria, Hao Shi, B. V. Svistunov, Luca F. Tocchio, I. S. Tupitsyn, Steven R. White, Shiwei Zhang, Bo-Xiao Zheng, Zhenyue Zhu, Emanuel Gull
Publikováno v: Physical Review X, Vol 5, Iss 4, p 041041 (2015)
Numerical results for ground-state and excited-state properties (energies, double occupancies, and Matsubara-axis self-energies) of the single-orbital Hubbard model on a two-dimensional square lattice are presented, in order to provide an assessment
Externí odkaz: https://doaj.org/article/08a162cb82304823bb40b7d5f51d3cf6
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8
Inexorable edge Kondo breakdown in topological Kondo insulators
Autor: Zhihui Luo, Dao-Xin Yao, Michel Ferrero, Wei Wu
Publikováno v: Physical Review B
Physical Review B, American Physical Society, 2021, 104 (16), pp.L161119. ⟨10.1103/PhysRevB.104.L161119⟩
Kondo breakdown is one of the most intriguing problems in strongly correlated electron systems, as it is rooted in many anomalous electron behaviors found in heavy-fermion materials. In Kondo lattice systems, Kondo breakdown can arise from either str
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca9260fd94ed91bfd29fac6269bb4b42
https://doi.org/10.1103/physrevb.104.l161119
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9
Mott insulating states with competing orders in the triangular lattice Hubbard model
Autor: Riccardo Rossi, E. Miles Stoudenmire, Thomas Schäfer, Marcel Klett, Antoine Georges, Michel Ferrero, Philipp Hansmann, Fedor Simkovic, Alexander Wietek
Publikováno v: Physical Review X
Physical Review X, American Physical Society, 2021, 11 (4), pp.041013. ⟨10.1103/PhysRevX.11.041013⟩
HAL
Physical Review X, Vol 11, Iss 4, p 041013 (2021)
The physics of the triangular lattice Hubbard model exhibits a rich phenomenology, ranging from a metal-insulator transition, intriguing thermodynamic behavior, and a putative spin liquid phase at intermediate coupling, ultimately becoming a magnetic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b771d301992287cbcf59da01d3f5f26d
https://hal.archives-ouvertes.fr/hal-03313278
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10
Analytical solution for time-integrals in diagrammatic expansions: application to real-frequency diagrammatic Monte Carlo
Autor: P. Stipsic, Michel Ferrero, J. Vučičević
Publikováno v: Physical Review Research
Physical Review Research, American Physical Society, 2021, 3 (2), pp.023082. ⟨10.1103/PhysRevResearch.3.023082⟩
The past years have seen a revived interest in the diagrammatic Monte Carlo (DiagMC) methods for interacting fermions on a lattice. A promising recent development allows one to now circumvent the analytical continuation of dynamic observables in Diag
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a892647b1e4ebbeb3142ec6ea4adf80
https://hal.archives-ouvertes.fr/hal-03012412
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