Matías Bejas

Employment

• Institute of Physics Rosario

Education

• Universidad Nacional de Rosario PhD in Physics
  1999 - 2004

Projects & Funding

Projects & funding information is unavailable.

Publications (20)

• Multiorbital character of the density wave in trilayer nickelate superconductors
  Physical Review B 2026 DOI: 10.1103/znvc-8425
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• Strongly correlated model of acousticlike plasmons persisting across the phase diagram of cuprate superconductors
  Physical Review B 2026 DOI: 10.1103/k1m6-dbpk
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• Raman response in superconducting multiorbital systems with application to nickelates
  Physical Review B 2026 DOI: 10.1103/mvc9-3dhq
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• Strong-coupling theory of bilayer plasmon excitations
  Physical Review B 2026 DOI: 10.1103/c6qd-b9by
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• Out-of-plane bond-order phase, superconductivity, and their competition in the t - J∥−J⊥ model: Possible implications for bilayer nickelates
  Matías Bejas, Xianxin Wu, Debmalya Chakraborty

  +2 more

  • Andreas P. Schnyder
  • A. Greco
  Physical Review B 2025 DOI: 10.1103/PhysRevB.111.144514
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• Out-of-phase plasmon excitations in the trilayer cuprate Bi2Sr2Ca2Cu3O10+δ
  Physical Review B 2025 DOI: 10.1103/PhysRevB.111.165141
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• Impact of electron correlations on two-particle charge response in electron- and hole-doped cuprates
  Abhishek Nag, Luciano Zinni, Jaewon Choi +13 more
  Physical Review Research 2024 DOI: 10.1103/PhysRevResearch.6.043184
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• Plasmon dispersion in bilayer cuprate superconductors
  Physical Review B 2024 DOI: 10.1103/PhysRevB.109.144516
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• Retaining Landau quasiparticles in the presence of realistic charge fluctuations in cuprates
  Physical Review B 2024 DOI: 10.1103/PhysRevB.109.104515
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• Plasmarons in high-temperature cuprate superconductors
  Communications Physics 2023 DOI: 10.1038/s42005-023-01276-z
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• Evolution of plasmon excitations across the phase diagram of the cuprate superconductor La2−xSrxCuO4
  Physical Review B 2023 DOI: 10.1103/PhysRevB.107.214516
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• Low-energy plasmon excitations in infinite-layer nickelates
  Physical Review B 2023 DOI: 10.1103/PhysRevB.107.014503
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• Ring-like shaped charge modulations in the t−J model with long-range Coulomb interaction
  Physical Review B 2022 DOI: 10.1103/PhysRevB.106.224512
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• Gapped Collective Charge Excitations and Interlayer Hopping in Cuprate Superconductors
  Matthias Hepting, Matías Bejas, Abhishek Nag +17 more
  Physical Review Letters 2022 DOI: 10.1103/PhysRevLett.129.047001
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• Electron self-energy from quantum charge fluctuations in the layered t−J model with long-range Coulomb interaction
  Physical Review B 2021 DOI: 10.1103/PhysRevB.104.045141
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• Superconductivity with and without glue and the role of the double-occupancy forbidding constraint in the t−J−V model
  Physical Review B 2021 DOI: 10.1103/PhysRevB.103.134504
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• Detection of Acoustic Plasmons in Hole-Doped Lanthanum and Bismuth Cuprate Superconductors Using Resonant Inelastic X-Ray Scattering
  Abhishek Nag, Mengze Zhu, Matías Bejas +11 more
  Physical Review Letters 2020 DOI: 10.1103/PhysRevLett.125.257002
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• Close inspection of plasmon excitations in cuprate superconductors
  Physical Review B 2020 DOI: 10.1103/PhysRevB.102.024509
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• Ferromagnetic fluctuations in the Rashba-Hubbard model
  Physical Review B 2020 DOI: 10.1103/PhysRevB.101.174420
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• Origin of high-energy charge excitations observed by resonant inelastic X-ray scattering in cuprate superconductors
  Communications Physics 2019 DOI: 10.1038/s42005-018-0099-z
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