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  Magnon trap by chiral spin pumping

Yu, T., Wang, H., Sentef, M. A., Yu, H., & Bauer, G. E. W. (2020). Magnon trap by chiral spin pumping. Physical Review B, 102(5): 054429. doi:10.1103/PhysRevB.102.054429.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-FC3A-E Version Permalink: http://hdl.handle.net/21.11116/0000-0006-FC3B-D
Genre: Journal Article

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PhysRevB.102.054429.pdf (Publisher version), 648KB
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PhysRevB.102.054429.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://dx.doi.org/10.1103/PhysRevB.102.054429 (Publisher version)
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https://arxiv.org/abs/2003.11581 (Preprint)
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 Creators:
Yu, T.1, Author              
Wang, H.2, Author
Sentef, M. A.1, Author              
Yu, H.2, Author
Bauer, G. E. W.3, 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              
2Fert Beijing Institute, School of Microelectronics, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, ou_persistent22              
3WPI-AIMR, Institute for Materials Research, and CSRN, Tohoku University, ou_persistent22              

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 Abstract: Chiral spin pumping is the generation of a unidirectional spin current in half of ferromagnetic films or conductors by dynamic dipolar stray fields from close-by nanomagnets. We formulate a general theory of long-range chiral interactions between magnets mediated by unidirectional traveling waves, e.g., spin waves in a magnetic film or microwaves in a waveguide. The traveling waves emitted by an excited magnet can be perfectly trapped by a second, initially passive magnet by a dynamical interference effect. When both magnets are excited by a uniform microwave, the chiral interaction between them creates a large imbalance in their magnon numbers.

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Language(s): eng - English
 Dates: 2020-07-192020-03-252020-08-032020-08-202020-08-01
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.102.054429
arXiv: 2003.11581
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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 (5) Sequence Number: 054429 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008