Spectroscopy of Oscillation Modes in Homogeneously Precessing Domain of Superfluid 3He-B

We study the homogeneously precessing domain (HPD) in superfluid 3 He-B in a regular continuous-wave nuclear magnetic resonance (CW NMR) experiment. Using Fourier analysis of CW NMR time traces, we identify several oscillation modes with frequency monotonically increasing with the frequency shift of...

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Bibliographic Details
Published in:Journal of low temperature physics 2024-03, Vol.214 (5-6), p.385-398
Main Authors: Zavjalov, V. V., Savin, A., Sergeicheva, E., Hakonen, P. J.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Condensed Matter Physics
Continuous radiation
Fluids
Fourier analysis
Frequency shift
Magnetic Materials
Magnetism
NMR
Nuclear magnetic resonance
Oscillation modes
Physics
Physics and Astronomy
Solitary waves
Superfluidity
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Summary:We study the homogeneously precessing domain (HPD) in superfluid 3 He-B in a regular continuous-wave nuclear magnetic resonance (CW NMR) experiment. Using Fourier analysis of CW NMR time traces, we identify several oscillation modes with frequency monotonically increasing with the frequency shift of the HPD. Some of these modes are localized near the cell walls, while others are localized in bulk liquid and can be interpreted as oscillations of ϑ -solitons. We also observe chaotic motion of the HPD in a certain range of temperatures and frequency shifts.
ISSN:0022-2291
1573-7357
DOI:10.1007/s10909-024-03051-y