TY - JOUR
T1 - Probing intrinsic magnon bandgap in a layered hybrid perovskite antiferromagnet by a superconducting resonator
AU - Li, Yi
AU - Draher, Timothy
AU - Comstock, Andrew H.
AU - Xiong, Yuzan
AU - Haque, Md Azimul
AU - Easy, Elham
AU - Qian, Jiangchao
AU - Polakovic, Tomas
AU - Pearson, John E.
AU - Divan, Ralu
AU - Zuo, Jian Min
AU - Zhang, Xian
AU - Welp, Ulrich
AU - Kwok, Wai Kwong
AU - Hoffmann, Axel
AU - Luther, Joseph M.
AU - Beard, Matthew C.
AU - Sun, Dali
AU - Zhang, Wei
AU - Novosad, Valentine
N1 - Publisher Copyright:
© 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
PY - 2023/10
Y1 - 2023/10
N2 - Coherent interactions between different magnetic excitations can lead to formation of magnon band gaps and hybrid magnon modes, which can find their applications in magnonic devices and coherent information processing. In this work, we probe the intrinsic magnon band gap of a layered hybrid perovskite antiferromagnet by its strong coupling to a superconducting resonator. The pronounced temperature tunability of the magnon band gap location allows us to set the photon mode within the gap, leading to a reduction of effective magnon-photon coupling and eventually the disappearance of magnon-photon hybridization. When the resonator mode falls into the magnon band gap, the resonator damping rate increases due to the nonzero coupling to the detuned magnon mode. This allows for quantification of the magnon band gap using an analytical model. Our work brings new opportunities in controlling coherent information processing with quantum properties in complex magnetic materials.
AB - Coherent interactions between different magnetic excitations can lead to formation of magnon band gaps and hybrid magnon modes, which can find their applications in magnonic devices and coherent information processing. In this work, we probe the intrinsic magnon band gap of a layered hybrid perovskite antiferromagnet by its strong coupling to a superconducting resonator. The pronounced temperature tunability of the magnon band gap location allows us to set the photon mode within the gap, leading to a reduction of effective magnon-photon coupling and eventually the disappearance of magnon-photon hybridization. When the resonator mode falls into the magnon band gap, the resonator damping rate increases due to the nonzero coupling to the detuned magnon mode. This allows for quantification of the magnon band gap using an analytical model. Our work brings new opportunities in controlling coherent information processing with quantum properties in complex magnetic materials.
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U2 - 10.1103/PhysRevResearch.5.043031
DO - 10.1103/PhysRevResearch.5.043031
M3 - Article
AN - SCOPUS:85175025515
SN - 2643-1564
VL - 5
JO - Physical Review Research
JF - Physical Review Research
IS - 4
M1 - 043031
ER -