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Showing 1–11 of 11 results
Advanced filters: Author: Shixun Cao Clear advanced filters

  • Inducing coherent interactions between distinct magnon modes—collective excitations of magnetic order—has been challenging. A canted antiferromagnet has demonstrated coherent magnon upconversion induced by terahertz laser pulses.

    • Zhuquan Zhang
    • Frank Y. Gao
    • Keith A. Nelson
    Research
    Nature Physics
    Volume: 20, P: 788-793

  • Typically, magnetic phenomena result from the spontaneous order of the sublattices. Here, the cross-talk of two magnetic ions gives rise to an intrinsic, yet non-spontaneous ordering and manifests as emergent strong spin–phonon coupling in SmFeO3.

    • Mads C. Weber
    • Mael Guennou
    • Jens Kreisel
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Ultrastrong light-matter interactions with dominant antiresonant terms are expected to give rise to interesting phenomena such as quantum fluctuation suppression. Here, the authors propose a system of ultrastrongly coupled magnon modes in a rare earth orthoferrite as a platform for exploring such phenomena.

    • Takuma Makihara
    • Kenji Hayashida
    • Junichiro Kono
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • Due to the strong exchange interactions between the rare-earth and iron sublattices, rare-earth orthoferrites, such as YbFeO3, offer a rich platform for exploring spin dynamics and spin transport phenomena. Here, the authors report multi-step type-II spin switching in Mn-doped YbFeO3 and investigate the underlying mechanism using an extended Weiss model.

    • Wanting Yang
    • Haohuan Peng
    • Shixun Cao
    ResearchOpen Access
    Communications Physics
    Volume: 9, P: 1-7

  • Kagome materials have become a popular platform to investigate a range of competing quantum phases, such as the interplay between superconductivity and charge density waves (CDW). Here, the authors use x-ray diffraction, scanning tunneling microscopy and resonant elastic x-ray scattering to investigate the evolution of CDW ordering as a function of temperature in canted antiferromagnetic kagome FeGe. They find for post-annealed samples that the long-range CDW orders persist even as the structural modulations are suppressed although observations are highly dependent on the sample growth condition.

    • Chenfei Shi
    • Wenchang Hou
    • Jin-Ke Bao
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-10

  • The Dicke model, describing the cooperative coupling of an ensemble of two-level atoms with a single-mode light field, has a rich phenomenology in quantum optics and quantum information, but its analytical or numerical solution is beyond current reach. Here, a solid-state quantum simulator of an extended Dicke model is achieved using ErFeO3 crystals, where terahertz spectroscopy and magnetocaloric effect measurements reveal an atomically ordered phase in addition to the expected superradiant and normal phases.

    • Nicolas Marquez Peraca
    • Xinwei Li
    • Junichiro Kono
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-9