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26 papers · 1 filter
Novel Magnetoacoustic Resonance Technique for Exploring Hidden Quadrupoles in a Crystal Field Quartet
Mikito Koga, Masashige Matsumoto
Crystal field quartets with quadrupole degrees of freedom play a crucial role in hidden ordering systems, as exemplified by CeB. We present a novel magnetoacoustic resonance te…
Theory of Magnetoacoustic Resonance to Probe Multipole Effects Due to a Crystal Field Quartet
Mikito Koga, Masashige Matsumoto
We present a new method of acoustically driven resonance that probes octupole degrees of freedom as well as a quadrupole usually hidden by the magnetic properties of a crystal fiel…
Kitaev Meets Affleck-Kennedy-Lieb-Tasaki: Competing Quantum Disorder in Spin-3/2 Honeycomb Systems
Sogen Ikegami, Kiyu Fukui, Rico Pohle +1
We investigate an S=3/2 quantum spin model on a two-dimensional honeycomb lattice that continuously interpolates between two paradigmatic quantum disordered states with distinct en…
High-Field Torque Magnetometry on the Kagome Antiferromagnet Karpenkoite
Hibiki Kunisawa, Ryuya Watanabe, Jun-ichi Yamaura +2
We report torque magnetometry results on single crystals of karpenkoite Co3(V2O7)(OH)2 2H2O, a model candidate for the kagome antiferromagnet. No field-induced phase transition is…
Quintuplet condensation in the skyrmionic insulator Cu2OSeO3 at ultrahigh magnetic fields
T. Nomura, I. Rousochatzakis, O. Janson +6
We report ultrahigh magnetic field Faraday rotation results on the chiral helimagnet Cu2OSeO3, the first Mott insulator showing skyrmion lattice phases and a linear magnetoelectric…
X-ray free-electron laser observation of giant and anisotropic magnetostriction in -O at 110 Tesla
Akihiko Ikeda, Yuya Kubota, Yuto Ishii +18
In strong magnetic fields beyond 100 T, the significant Zeeman energy competes with the lattice interactions, where a considerable magnetostriction is expected. However, the micros…