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Light-induced renormalization of the Dirac quasiparticles in the nodal-line semimetal ZrSiSe
G. Gatti, A. Crepaldi, M. Puppin +16
In nodal-line semimetals linearly dispersing states form Dirac loops in the reciprocal space, with high degree of electron-hole symmetry and almost-vanishing density of states near…
Orbital Fingerprint of Topological Fermi Arcs in a Weyl Semimetal
Chul-Hee Min, Hendrik Bentmann, Jennifer N. Neu +15
The monopnictides TaAs and TaP are well-established Weyl semimetals. Yet, a precise assignment of Fermi arcs, accomodating the predicted chiral charge of the bulk Weyl points, has…
Quasiparticles and charge transfer at the two surfaces of the honeycomb iridate NaIrO
L. Moreschini, I. Lo Vecchio, N. P. Breznay +10
Direct experimental investigations of the low-energy electronic structure of the NaIrO iridate insulator are sparse and draw two conflicting pictures. One relies on flat ba…
Hallmarks of Hund's coupling in the Mott insulator CaRuO
D. Sutter, C. G. Fatuzzo, S. Moser +22
A paradigmatic case of multi-band Mott physics including spin-orbit and Hund's coupling is realised in CaRuO. Progress in understanding the nature of this Mott insulating p…
Non-Zhang-Rice singlet character of the first ionization state of T-CuO
Clemens P J Adolphs, Simon Moser, George A Sawatzky +1
We argue that tetragonal CuO (T-CuO) has the potential to finally settle long-standing modelling issues for cuprate physics. We compare the one-hole quasiparticle (qp) dispersion o…
The electronic structure of the high-symmetry perovskite iridate Ba2IrO4
S. Moser, L. Moreschini, A. Ebrahimi +11
We report angle-resolved photoemission (ARPES) measurements, density functional and model tight-binding calculations on BaIrO (Ba-214), an antiferromagnetic ( K) i…