Evidence for soft vortex cores in 3he-b at high magnetic fields

K. K. Nummila; P. J. Hakonen; Juha S. Korhonen

doi:10.1209/0295-5075/11/7/012

Evidence for soft vortex cores in 3he-b at high magnetic fields

K. K. Nummila^*, P. J. Hakonen, Juha S. Korhonen

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › Scientific › peer-review

3 Citations (Scopus)

Abstract

Negative ion mobility in rotating 3He-B at magnetic fields H = 0.1 T has been measured along the common direction of H and the rotation axis Jz. When Sa > 0, we observed an increase of mobility, which originates from a reorientation of the anisotropic energy gap. The increase can be understood quantitatively only if soft vortex cores, predicted by Sonin, are assumed. Their size was found to be on the order of the magnetic Healing length EH.

Original language	English
Pages (from-to)	651-656
Number of pages	6
Journal	EPL
Volume	11
Issue number	7
DOIs	https://doi.org/10.1209/0295-5075/11/7/012
Publication status	Published - 1 Apr 1990
MoE publication type	A1 Journal article-refereed

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abstract = "Negative ion mobility in rotating 3He-B at magnetic fields H = 0.1 T has been measured along the common direction of H and the rotation axis Jz. When Sa > 0, we observed an increase of mobility, which originates from a reorientation of the anisotropic energy gap. The increase can be understood quantitatively only if soft vortex cores, predicted by Sonin, are assumed. Their size was found to be on the order of the magnetic Healing length EH.",

author = "Nummila, {K. K.} and Hakonen, {P. J.} and Korhonen, {Juha S.}",

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AU - Nummila, K. K.

AU - Hakonen, P. J.

AU - Korhonen, Juha S.

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Y1 - 1990/4/1

N2 - Negative ion mobility in rotating 3He-B at magnetic fields H = 0.1 T has been measured along the common direction of H and the rotation axis Jz. When Sa > 0, we observed an increase of mobility, which originates from a reorientation of the anisotropic energy gap. The increase can be understood quantitatively only if soft vortex cores, predicted by Sonin, are assumed. Their size was found to be on the order of the magnetic Healing length EH.

AB - Negative ion mobility in rotating 3He-B at magnetic fields H = 0.1 T has been measured along the common direction of H and the rotation axis Jz. When Sa > 0, we observed an increase of mobility, which originates from a reorientation of the anisotropic energy gap. The increase can be understood quantitatively only if soft vortex cores, predicted by Sonin, are assumed. Their size was found to be on the order of the magnetic Healing length EH.

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Evidence for soft vortex cores in 3he-b at high magnetic fields

Abstract

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