Orbital-Selective Quasiparticle Depletion across the Density Wave Transition in Trilayer Nickelate La4Ni3O10
Dong-Hyeon Gim, Chung Ha Park, Kee Hoon Kim
DOI 10.1103/1tp1-y73g · Physical Review Letters
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Abstract
We investigate the evolution of polarized electronic response in trilayer nickelate La4Ni3O10, reporting a systematic reduction of the incoherent electron continuum across the density wave transition in the A1g and B1g representations. Analysis based on the Fermi surface band curvatures points to quasiparticle coherence in momentum positions with dominant dx2−y2 orbital character. Our findings establish the symmetry channels and the active role of dx2−y2 orbitals involved in the density wave formation, offering important insight into the electronic and magnetic correlations in the nickelate.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Nd0.8Sr0.2NiO2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 15 | Pressure not reported | unknown |
| La3Ni2O7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 80 | 10 GPa | unknown |
| La4Ni3O10 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 20 | 10 GPa | unknown |
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