Nature Communications (Apr 2020)

Direct evidence of spatial stability of Bose-Einstein condensate of magnons

  • I. V. Borisenko,
  • B. Divinskiy,
  • V. E. Demidov,
  • G. Li,
  • T. Nattermann,
  • V. L. Pokrovsky,
  • S. O. Demokritov

DOI
https://doi.org/10.1038/s41467-020-15468-6
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Little is known about the underlying mechanism responsible for the spatial stability of magnon Bose-Einstein condensates. Here experimental evidence is provided for a repulsive interaction of magnons in the condensate resulting in its stabilization.