The structure of the disgyration in the case of a narrow capillary is found. A generalization of the Leggett-Takagi theory of NMR is performed in the case of the presence of a disgyration in the capillary. The equations of spin dynamics are solved and the frequencies and damping in the cases of longitudinal and transverse resonance are found.
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Fishman, F. NMR spectrum in the presence of disgyration in the superfluid a phase of 3He. J Low Temp Phys 33, 331–341 (1978). https://doi.org/10.1007/BF00115003
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DOI: https://doi.org/10.1007/BF00115003