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Using inelastic X-ray scattering beyond the dipole limit and hard X-ray photoelectron spectroscopy we establish the dual nature of the U 5f electrons in UM2Si2 (M = Pd, Ni, Ru, Fe), regardless of their degree of delocalization. We have observed that the compounds have in common a local atomic-like s... Continue

Employing advanced methods in quantum many-body theory in 2018 we predicted chiral d-wave superconductivity in correlated ad-atom lattices on the Si(111) surface (X. Cao et al.). Now, two years later,  experimentalists in Tennessee have found superconductivity in hole doped Sn:Si(111) (X. Wu et al.)... Continue

Tracking the Footprints of Spin Fluctuations: A Multi-Method, Multi-Messenger Study of the Two-Dimensional Hubbard Model Thomas Schäfer, Nils Wentzell, Fedor Šimkovic IV, Yuan-Yao He, Cornelia Hille, Marcel Klett, Christian J. Eckhardt, Behnam Arzhang, Viktor Harkov, François-Marie Le Régent, Alfre... Continue

Charge transfer energy in iridates: a hard x-ray photoelectron spectroscopy study D. Takegami, D. Kasinathan, K. K. Wolff, S. G. Altendorf, C. F. Chang, K. Hoefer, A. Melendez-Sans, Y. Utsumi, F. Meneghin, T. D. Ha, C. H. Yen, K. Chen, C. Y. Kuo, Y. F. Liao, K. D. Tsuei, R. Morrow, S. Wurmehl, B. B... Continue

A ~20min introduction to our research field and Bachelor/Master projects can be found here! Continue