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Correlated electronic structure of PbCu(PO4)O
Changming Yue, Viktor Christiansson, Philipp Werner
Recently, above-room temperature superconductivity was reported in the Cu doped lead apatite PbCu(PO4)O, dubbed LK-99. By relaxing the structure with Cu substituti…
Fermion quartets on the square lattice
Dionys Baeriswyl, Francesco Petocchi, Philipp Werner
We study a microscopic model for four spinless fermions on the square lattice which exhibits a quartet bound state in the strong coupling regime. The four-particle quantum states a…
Dynamical mean-field approach to disordered interacting systems and applications to quantum transport problem
Jiawei Yan, Philipp Werner
We discuss a non-equilibrium dynamical mean-field framework for simulating inhomogeneous Hubbard models with local disorders. Our approach treats electron interactions and disorder…
Correlated electronic structure of LaNiO under pressure
Viktor Christiansson, Francesco Petocchi, Philipp Werner
Recently, superconductivity with a up to 78 K has been reported in bulk samples of the bilayer nickelate LaNiO at pressures above 14 GPa. Important theoretical ta…
Light-induced insulator-metal transition in SrIrO reveals the nature of the insulating ground state
Dongsung Choi, Changming Yue, Doron Azoury +11
SrIrO has attracted a lot of attention due to its structural and electronic similarities to LaCuO which is the parent compound of high-T superconducting cuprate…
Non-thermal superconductivity in photo-doped multi-orbital Hubbard systems
Sujay Ray, Yuta Murakami, Philipp Werner
Superconductivity in laser-excited correlated electron systems has attracted considerable interest due to reports of light-induced superconducting-like states. Here we explore the…