Abstract
NMR spectrometry can be used to identify different topological objects in the order parameter field of rotating superfluid3He-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.
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Ruutu, V.M.H., Parts, Ü. & Krusius, M. NMR signatures of topological objects in rotating superfluid3He-A. J Low Temp Phys 103, 331–343 (1996). https://doi.org/10.1007/BF00754793
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DOI: https://doi.org/10.1007/BF00754793