Normal-state correlated electronic structure of the tetragonal TlNi2Se2 superconductor
L. Craco, S. Leoni
DOI 10.1103/PhysRevB.108.045140 · Physical Review B
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Abstract
On the basis of density functional plus dynamical mean-field theory calculations we explore the electronic structure of the TlNi2Se2 superconductor, showing how the normal-state spectra are reshaped by dynamical many-particle interactions. Upon electron-doping the 3d8 Fermi liquid metal, hidden orbital selectivity with coexisting Mott localized, pseudogapped, and narrow Kondo-quasiparticle electronic excitations is predicted for TlNi2Se2. By specifically focusing on the energy spectrum that is relevant to the mixed-valence heavy-electron normal state of unconventional superconductors, our findings have the potential to enhance our microscopic understanding of the intricate interplay between many-particle physics and electron band filling, paving the way for further advancements.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| TlNi2Se2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3.7 | Pressure unresolved | unknown |
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