Simultaneous spin and space rotation experiments in sup 3 He-B

Observation of enhanced magnetic relaxation due to counterflow and quantized vortices is reported in rotating superfluid {sup 3}He-B. These phenomena were studied using a novel method based on the homogeneously precessing domain (HPD) mode, characteristic of the B-phase spin dynamics. The additional...

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Bibliographic Details
Published in:Journal of low temperature physics 1991-06, Vol.83:5-6
Main Authors: Bunkov, Yu.M., Hakonen, P.J.
Format: Article
Language:English
Subjects:
665420 - Superfluidity- (1992-)
ANGULAR MOMENTUM
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
EVEN-ODD NUCLEI
HELIUM 3
HELIUM 3 B
HELIUM ISOTOPES
ISOTOPES
LIGHT NUCLEI
MAGNETIC FLUX
MOTION
NMR SPECTRA
NUCLEI
PARTICLE PROPERTIES
RELAXATION
ROTATION
SPECTRA
SPIN
STABLE ISOTOPES
VORTICES
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Summary:Observation of enhanced magnetic relaxation due to counterflow and quantized vortices is reported in rotating superfluid {sup 3}He-B. These phenomena were studied using a novel method based on the homogeneously precessing domain (HPD) mode, characteristic of the B-phase spin dynamics. The additional HPD absorption can be related to the equilibrium vortex structures and, therefore, this method yields information complementary to textural CW-NMR measurements, which are sensitive to the static magnetic properties of vortex cores. primarily, the HPD method provides a simple and effective means for studying transient processes, e.g., vortex creation in {sup 3}He-B; a clear difference between axisymmetric and non-axisymmetric vortices was observed.
ISSN:0022-2291
1573-7357
DOI:10.1007/BF00683630