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arXiv · 0804.3709

Phonons in magnon superfluid and symmetry breaking field

G. E. Volovik
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Abstract

Recent experiments [1],[2] which measured the spectrum of the Goldstone collective mode of coherently precessing state in 3He-B are discussed using the presentation of the coherent spin precession in terms of the Bose-Einstein condensation of magnons. The mass in the spectrum of the Goldstone boson -- phonon in the superfluid magnon liquid -- is induced by the symmetry breaking field, which is played by the RF magnetic field

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G. E. Volovik. 2008-05-08. Phonons in magnon superfluid and symmetry breaking field. https://doi.org/10.1134/s002136400811009x

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