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  Circulating cavity magnon polaritons

Yu, W., Yu, T., & Bauer, G. E. W. (2020). Circulating cavity magnon polaritons. Physical Review B, 102(6): 064416. doi:10.1103/PhysRevB.102.064416.

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PhysRevB.102.064416.pdf (Publisher version), 3MB
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PhysRevB.102.064416.pdf
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2020
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©American Physical Society

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https://dx.doi.org/10.1103/PhysRevB.102.064416 (Publisher version)
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https://arxiv.org/abs/2006.02203 (Preprint)
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 Creators:
Yu, W.1, Author
Yu, T.2, Author           
Bauer, G. E. W.1, 3, 4, Author
Affiliations:
1Institute for Materials Research, Tohoku University, ou_persistent22              
2Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
3WPI-AIMR, Tohoku University, ou_persistent22              
4Zernike Institute for Advanced Materials, Groningen University, ou_persistent22              

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 Abstract: We predict magnon-polariton states circulating unidirectionally in a microwave cavity when loaded by a number of magnets on special lines. Realistic finite-element numerical simulations, including dielectric, time-dependent, and nonlinear effects, confirm the validity of the approximations of a fully analytical input-output model. We find that a phased antenna array can focus all power into a coherent microwave beam with controlled direction and an intensity that scales with the number of magnets.

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Language(s): eng - English
 Dates: 2020-07-262020-05-292020-07-282020-08-182020-08-01
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.102.064416
arXiv: 2006.02203
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Project name : This work was supported by the JSPS Kakenhi (Grants No. 19H006450 and No. 20K14369) and the Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO). T.Y. acknowledges the hospitality and support from the IMR.
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 102 (6) Sequence Number: 064416 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008