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Long-Lived Induction Signal in Yttrium Iron Garnet

  • Condensed Matter
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Abstract

The results of the experiments on an yttrium iron garnet film have been reported, demonstrating two types of long-lived free induction signals. The first type corresponds well to signals appearing because of the superfluid transfer of magnons, which was previously detected in antiferromagnetic superfluid 3He-B. The second, ultra-long-lived, signal also has a number of properties of coherent precession. However, it is fundamentally different from the ultra-long-lived signal in 3He-B. The mechanism of formation of the ultra-long-lived signal in yttrium iron garnet has not yet been theoretically explained.

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Funding

This work was supported by the Russian Science Foundation, project no. 19-12-00397.

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Authors and Affiliations

  1. Russian Quantum Center, Skolkovo, Moscow, 143025, Russia

    Yu. M. Bunkov, P. M. Vetoshko, A. N. Kuzmichev & V. I. Belotelov

  2. Kazan Federal University, Kazan, 420008, Russia

    G. V. Mamin, S. B. Orlinskii, T. R. Safin & M. S. Tagirov

Authors
  1. Yu. M. Bunkov
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  2. P. M. Vetoshko
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  3. A. N. Kuzmichev
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  4. G. V. Mamin
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  5. S. B. Orlinskii
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  6. T. R. Safin
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  7. V. I. Belotelov
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  8. M. S. Tagirov
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Correspondence to Yu. M. Bunkov.

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Bunkov, Y.M., Vetoshko, P.M., Kuzmichev, A.N. et al. Long-Lived Induction Signal in Yttrium Iron Garnet. Jetp Lett. 111, 62–66 (2020). https://doi.org/10.1134/S0021364020010099

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  • DOI: https://doi.org/10.1134/S0021364020010099

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