From the 6 of 198 papers with an AI index.
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- Johannes Gutenberg University MainzDE53 papers
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29 papers · 1 filter
Photoemission insights into lanthanide-based crystals
Dmitry Yu. Usachov, Georg Poelchen, Vasily S. Stolyarov +3
The interplay of strongly localized 4 electrons with itinerant spd-valence states gives rise to a wide range of correlated phenomena and properties that place lanthanide materia…
Interaction-induced nematic Dirac semimetal from quadratic band touching: A constrained-path quantum Monte Carlo study
Zi Hong Liu, Hongyu Lu, Zi Yang Meng +1
Electronic systems with quadratic band touchings, commonly found in two- and three-dimensional materials such as Bernal-stacked bilayer graphene, kagome metals, HgTe, and pyrochlor…
Nontrivial three-sublattice magnetization in the easy-axis spin-1/2 XXZ antiferromagnet on the triangular lattice
Masahiro Kadosawa, Masaaki Nakamura, Yukinori Ohta +1
We investigate the ground-state magnetic structure of the spin- XXZ antiferromagnet on the triangular lattice in the easy-axis regime using the density-matrix renormalization…
Near-Room-Temperature Antiferromagnetic Ordering in the Quadruple Perovskite Sr4NaRu3O12
Subham Naik, Biswajit Singh, Hiranmayee Senapati +10
We report the synthesis, structure and magnetic properties of two 1:3 ordered quadruple perovskites Sr4MRu3O12 (M = Li and Na). Sr4NaRu3O12 crystallizes in the centrosymmetric spac…
Search for magnetoacoustic quantum oscillations in the insulating phase of YbB
Ryosuke Kurihara, Atsuhiko Miyata, Koji Araki +9
A highly exotic phenomenon in solid-state physics is the observation of magnetic quantum oscillations in insulators. For instance, in the Kondo insulator YbB various groups…
Between Mott and cluster Mott: spin-orbit entangled dimer singlets in BaCeRuO
L. Pätzold, A. Sandberg, H. Schilling +8
The hexagonal 4d ruthenates Ba3MRu2O9 host structural dimers and exhibit a delicate balance of competing interactions. Hund's coupling, trigonal crystal-field splitting, and hoppin…