JETP Letters

, Volume 101, Issue 12, pp 802–807 | Cite as

Measurements of the anisotropic mass of magnons confined in a harmonic trap in superfluid 3He-B

  • V. V. Zavjalov
  • S. Autti
  • V. B. Eltsov
  • P. J. Heikkinen
Condensed Matter


We can pump magnons to a nearly harmonic magneto-textural trap in superfluid 3He–B. Using the NMR spectroscopy of levels in the trap, we have measured the anisotropic magnon mass and related values of the spin-wave velocities. Using our measurements, we provide values of the Fermi-liquid parameter F 1 a .


JETP Letter Spin Wave Harmonic Trap Spin Wave Spectrum Strong Coupling Effect 
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Copyright information

© Pleiades Publishing, Inc. 2015

Authors and Affiliations

  • V. V. Zavjalov
    • 1
  • S. Autti
    • 1
  • V. B. Eltsov
    • 1
  • P. J. Heikkinen
    • 1
  1. 1.Low Temperature Laboratory, Department of Applied PhysicsAalto UniversityAaltoFinland

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