Slow mode and pinning in a vortex array of rotating 3he-b

E. B. Sonin; Y. Kondo; J. S. Korhonbn; M. Krusius

doi:10.1209/0295-5075/22/2/009

Slow mode and pinning in a vortex array of rotating 3he-b

E. B. Sonin
, Y. Kondo
, J. S. Korhonbn
, M. Krusius

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

6 Scopus citations

Abstract

Exponentially damped relaxation with a time constant (1 -s- 3) min after perturbation of steady rotation has been discovered in rotating 3He-B, using NMR techniques. The effect represents an overdamped collective mode of the vortex array, governed by vortex tension and pinning. Elastic-shear deformation of the array is found to influence pinning, but does not contribute in the bulk liquid. The presence of shear elasticity provides the first evidence for crystalline order of a vortex array in 8He.

Original language	English
Pages (from-to)	125-131
Number of pages	7
Journal	Lettere Al Nuovo Cimento
Volume	22
Issue number	2
DOIs	https://doi.org/10.1209/0295-5075/22/2/009
State	Published - 10 Apr 1993
Externally published	Yes

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abstract = "Exponentially damped relaxation with a time constant (1 -s- 3) min after perturbation of steady rotation has been discovered in rotating 3He-B, using NMR techniques. The effect represents an overdamped collective mode of the vortex array, governed by vortex tension and pinning. Elastic-shear deformation of the array is found to influence pinning, but does not contribute in the bulk liquid. The presence of shear elasticity provides the first evidence for crystalline order of a vortex array in 8He.",

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AB - Exponentially damped relaxation with a time constant (1 -s- 3) min after perturbation of steady rotation has been discovered in rotating 3He-B, using NMR techniques. The effect represents an overdamped collective mode of the vortex array, governed by vortex tension and pinning. Elastic-shear deformation of the array is found to influence pinning, but does not contribute in the bulk liquid. The presence of shear elasticity provides the first evidence for crystalline order of a vortex array in 8He.

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Slow mode and pinning in a vortex array of rotating 3he-b

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