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Time-resolved measurements of surface spin-wave pulses at millikelvin temperatures

Abstract:

We experimentally investigate the propagation of pulsed magnetostatic surface spin-wave (magnon) signals in an yttrium iron garnet (YIG) waveguide at millikelvin temperatures. Our measurements are performed in a dilution refrigerator at microwave frequencies. The excellent signal-to-noise ratio afforded by the low-temperature environment allows the propagation of the pulses to be observed in detail. The evolution of the envelope shape as the spin wave travels is consistent with calculations b...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Condensed Matter Physics
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Condensed Matter Physics
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Condensed Matter Physics
ORCID:
0000-0002-4845-4971
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Applied Journal website
Volume:
10
Issue:
4
Pages:
Article: 044070
Publication date:
2018-10-30
Acceptance date:
2018-08-09
DOI:
ISSN:
2331-7019
Pubs id:
pubs:936015
URN:
uri:eb71e92f-1187-47ce-840b-fc58a6bfef56
UUID:
uuid:eb71e92f-1187-47ce-840b-fc58a6bfef56
Local pid:
pubs:936015

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