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cond-mat.str-el2025
Multipolar fluctuations from localized 4f electrons in CeRh2As2
Koki Numa, Eri Matsuda, Akimitsu Kirikoshi +1
The heavy-fermion superconductor CeRh2As2 exhibits a non-superconducting phase transition that precedes the emergence of superconductivity. The nature of the corresponding order pa…
cond-mat.str-el2025★ 3 cited
From localized 4f electrons to anisotropic exchange interactions in ferromagnetic CeRh6Ge4
Shoichiro Itokazu, Akimitsu Kirikoshi, Harald O. Jeschke +1
CeRh6Ge4 is a cerium-based ferromagnetic material exhibiting a quantum critical behavior under pressure. We derive effective exchange interactions, using the framework of density f…