Experiments on Vortices in Rotating Superfluid 3He-A

P. J. Hakonen; O. T. Ikkala; S. T. Islander

doi:10.1103/PhysRevLett.49.1258

Experiments on Vortices in Rotating Superfluid 3He-A

P. J. Hakonen^*, O. T. Ikkala, S. T. Islander

^*Corresponding author for this work

Department of Applied Physics

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Abstract

A satellite peak has been observed in the NMR spectrum of rotating He3-A; the peak intensity depends linearly on Ω at the high angular velocities, Ω=0.6-1.5 rad/s, needed to resolve it. The frequency shift of the satellite is independent of Ω. These results strongly suggest the existence of vortices in rotating He3-A with the vortex density proportional to Ω. Another satellite peak also has been observed which probably is due to solitons.

Original language	English
Pages (from-to)	1258-1261
Number of pages	4
Journal	Physical Review Letters
Volume	49
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.49.1258
Publication status	Published - Oct 1982
MoE publication type	A1 Journal article-refereed

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title = "Experiments on Vortices in Rotating Superfluid 3He-A",

abstract = "A satellite peak has been observed in the NMR spectrum of rotating He3-A; the peak intensity depends linearly on Ω at the high angular velocities, Ω=0.6-1.5 rad/s, needed to resolve it. The frequency shift of the satellite is independent of Ω. These results strongly suggest the existence of vortices in rotating He3-A with the vortex density proportional to Ω. Another satellite peak also has been observed which probably is due to solitons.",

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AB - A satellite peak has been observed in the NMR spectrum of rotating He3-A; the peak intensity depends linearly on Ω at the high angular velocities, Ω=0.6-1.5 rad/s, needed to resolve it. The frequency shift of the satellite is independent of Ω. These results strongly suggest the existence of vortices in rotating He3-A with the vortex density proportional to Ω. Another satellite peak also has been observed which probably is due to solitons.

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Experiments on Vortices in Rotating Superfluid 3He-A

Abstract

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