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  Nonreciprocal surface magnetoelastic dynamics

Yu, T. (2020). Nonreciprocal surface magnetoelastic dynamics. Physical Review B, 102(13): 134417. doi:10.1103/PhysRevB.102.134417.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-2C00-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-33DF-5
Genre: Journal Article

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PhysRevB.102.134417.pdf (Publisher version), 2MB
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PhysRevB.102.134417.pdf
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Open Access. - 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. Open access publication funded by the Max Planck Society.
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2020
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https://arxiv.org/abs/2007.12240 (Preprint)
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https://dx.doi.org/10.1103/PhysRevB.102.134417 (Publisher version)
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 Creators:
Yu, T.1, Author              
Affiliations:
1Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              

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 Abstract: Motivated by recent experiments, we investigate the nonreciprocal magnetoelastic interaction between the surface acoustic phonons of dielectric nonmagnetic substrates and magnons of proximity nanomagnets. The magnetization dynamics exerts rotating forces at the edges of the nanomagnet that causes the nonreciprocal interaction with surface phonons due to its rotation-momentum locking. This coupling induces the nonreciprocity of the surface phonon transmission and a nearly complete phonon diode effect by several (tens of) magnetic nanowires of high (ordinary) magnetic quality. Phase-sensitive microwave transmission is also nonreciprocal that can pick up clear signals of the coherent phonons excited by magnetization dynamics. Nonreciprocal pumping of phonons by precessing magnetization is predicted using Landauer-Büttiker formalism.

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Language(s): eng - English
 Dates: 2020-09-242020-07-212020-09-292020-10-132020-10-01
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2007.12240
DOI: 10.1103/PhysRevB.102.134417
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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 (13) Sequence Number: 134417 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008