Tunable magnon polaritons via Eddy-current-induced dissipation in metallic-banded YIG spheres.

Tatsushi Uno, Shugo Yoshii, Sotaro Mae, Ei Shigematsu, Ryo Ohshima, Yuichiro Ando, Masashi Shiraishi

Abstract read

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

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Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

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0 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Tatsushi UnoDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan.

Shugo YoshiiDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan. yoshii.shugo.x63@kyoto-u.jp.

Sotaro MaeDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan.

Ei ShigematsuDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan. shigematsu.ei.2r@kyoto-u.ac.jp.

Ryo OhshimaDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan.

Yuichiro AndoDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan.

Masashi ShiraishiDepartment of Electronic Science and Engineering, Kyoto University, Kyoto, 615-8510, Japan. shiraishi.masashi.4w@kyoto-u.ac.jp.

Funding

Japan Society for the Promotion of Science 22K14301JSPS Research Fellow Program 22KJ1956

6 · The paper itself

Abstract

We demonstrate a robust method to dynamically tune magnon dissipation in yttrium iron garnet spheres by equipping a metallic band around the sphere's equator, enabling precise control over magnon-photon coupling states. The collective magnetization dynamics in the YIG sphere induce circular eddy currents in the metallic band, whose magnitude can be systematically varied by adjusting the angle between the metallic band plane and an external static magnetic field. This angular dependence yields a pronounced modulation of the ferromagnetic resonance (FMR) linewidth, facilitating seamless transitions between the Purcell and strong coupling regimes without altering photon resonator parameters. Systematic FMR and resonator spectroscopy measurements confirm that eddy-current-induced losses govern the primary mechanism behind the observed tunable damping. By achieving extensive cos

Identifiers

PMID42613349

DOI10.1038/s41598-026-55914-x

PMCPMC13486674

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.