NMR signatures of topological objects in rotating superfluid super(3)He-A

NMR signatures of topological objects in rotating superfluid super(3)He-A

NMR spectrometry can be used to identify different topological objects in the order parameter field of rotating superfluid super(3)He-A. We list their signatures in the cw NMR absorption line shape. Quantized vortex lines, domain walls, and their combination, the vortex sheet, all induce satellite p...

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Veröffentlicht in:Journal of low temperature physics 1996-01, Vol.103 (5-6), p.331-343
Hauptverfasser: Ruutu, V M H, Parts, U, Krusius, M
Format: Artikel
Sprache:eng
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Zusammenfassung:NMR spectrometry can be used to identify different topological objects in the order parameter field of rotating superfluid super(3)He-A. We list their signatures in the cw NMR absorption line shape. Quantized vortex lines, domain walls, and their combination, the vortex sheet, all induce satellite peaks with specific intensities and frequency shifts in the NMR spectrum. Examples of spectra are presented to allow a comparison and to distinguish between different objects.
ISSN:0022-2291