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70 papers
Collective charge excitations studied by electron energy-loss spectroscopy
Peter Abbamonte, Jörg Fink
The dynamic charge susceptibility, , is a fundamental observable of all materials, in one, two, and three dimensions, quantifying the collective charge modes, the ability o…
About two-dimensional fits for the analysis of the scattering rates and renormalization functions from angle-resolved photoelectron spectroscopy data
R. Kurleto, J. Fink
A new method for the analysis of the scattering rates from angle-resolved photoelectron spectroscopy (ARPES) is presented and described in details. It takes into account experiment…
Extremely large magnetoresistance from electron-hole compensation in the nodal loop semimetal ZrP
J. Bannies, E. Razzoli, M. Michiardi +10
Several early transition metal dipnictides have been found to host topological semimetal states and exhibit large magnetoresistance. In this study, we use angle-resolved photoemiss…
Topological magnetic order and superconductivity in EuRbFeAs
M. Hemmida, N. Winterhalter-Stocker, D. Ehlers +13
We study single crystals of the magnetic superconductor EuRbFeAs by magnetization, electron spin resonance (ESR), angle-resolved photoemission spectroscopy (ARPES) and elec…
Linkage between scattering rates and superconductivity in doped ferropnictides
J. Fink, E. D. L. Rienks, M. Yao +13
We report an angle-resolved photoemission study of a series of hole and electron doped iron-based superconductors, their parent compound BaFe2As2, and their cousins BaCr2As2 and Ba…
Observation of giant spin-split Fermi-arc with maximal Chern number in the chiral topological semimetal PtGa
Mengyu Yao, Kaustuv Manna, Qun Yang +14
Non-symmorphic chiral topological crystals host exotic multifold fermions, and their associated Fermi arcs helically wrap around and expand throughout the Brillouin zone between th…