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461 papers · 1 filter
Survival of the metallic state in a single-hole multiband -orbital molecular system
Keisuke Matsui, Ryan A. Klein, Naoya Yoshikane +14
Strong correlations and ferromagnetic Hund's coupling lead to diverse electronic phenomena in transition-metal oxides that sensitively depend on the -orbital electron filling. F…
Fingerprints of preformed pairs in two-electron angle-resolved photoemission spectroscopy
Janez Bonča, Andrea Damascelli, Mona Berciu
We use variational exact diagonalization (VED) to calculate the two-electron removal spectral weight for the Hubbard-Holstein model, starting from the ground-state with two electro…
Strongly correlated Josephson junction: proximity effect in the single-layer Hubbard model
Don Rolih, Rok Žitko
We study the proximity effect in the Hubbard model coupled to BCS superconductors describing a single-layer strongly correlated electron system in a phase-biased Josephson junction…
Evaluating covalency using RIXS spectral weights: Silver fluorides vs. cuprates
Ilya Degtev, Daniel Jezierski, Adrián Gómez Pueyo +9
We investigate the electronic structure of AgF2, AgFBF4, AgF and Ag2O using X-ray absorption spectroscopy (XAS) and resonant inelastic X-ray scattering (RIXS) at the Ag L3 edge. XA…
The anisotropic Heisenberg model close to the Ising limit: triangular lattice vs. effective models
Martin Ulaga, Jure Kokalj, Takami Tohyama +1
Stimulated by recent experiments on materials representing the realization of the anisotropic Heisenberg spin- model on the triangular lattice, we explore further properties o…
Incommensurate magnetic order arising from frustrated interchain interactions in the spin-1/2 chain compound AgCuVO
A. Hromov, A. Zorko, M. Gomilšek +5
Quantum spin chains with competing interactions offer a platform where low dimensionality and frustration--both acting to suppress magnetic order--intersect. We studied magnetic or…