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- Title
Emergence of antiferromagnetic correlations and Kondolike features in a model for infinite layer nickelates.
- Authors
Liu, Fangze; Peng, Cheng; Huang, Edwin W.; Moritz, Brian; Jia, Chunjing; Devereaux, Thomas P.
- Abstract
We report a determinant quantum Monte Carlo study of a two-band model, inspired by infinite-layer nickelates, focusing on the influence of interlayer hybridization between 3 d x 2 − y 2 orbitals derived from Ni (or Ni and O) in one layer and rare-earth (R) 5d orbitals in the other layer, hereafter the Ni and R layers, respectively. For a filling with one electron shared between the two layers on average, interlayer hybridization leads to "self-doped" holes in the Ni layer and the absence of antiferromagnetic ordering, but rather the appearance of spin-density and charge-density stripe-like states. As the interlayer hybridization increases, both the Ni and R layers develop antiferromagnetic correlations, even though either layer individually remains away from half-filling. For hybridization within an intermediate range, roughly comparable to the intralayer nearest-neighbor hopping tNi, the model develops signatures of Kondo-like physics.
- Subjects
ORBITAL hybridization; PHYSICS; ELECTRONS; RARE earth oxides
- Publication
NPJ Quantum Materials, 2024, Vol 9, Issue 1, p1
- ISSN
2397-4648
- Publication type
Article
- DOI
10.1038/s41535-024-00659-x