Journal of Low Temperature Physics

, Volume 100, Issue 5–6, pp 441–461 | Cite as

NMR study of the effect of flow on3He-B

  • D. Kruppa
  • D. F. Brewer
  • J. Hutchins
  • D. Waxman
Regular Articles


We have used a plastic diaphragm to generate flow in superfluid3HeB, through a cylindrical geometry, whilst monitoring the transverse NMR frequency. It was found that the critical flow velocity needed to induce NMR frequency shifts was dependent on the magnetic field. The results are explained by a numerical calculation of the texture in the3HeB, under the influences of magnetic field, fluid flow and surface energy terms. Also presented are measurements of the B phase NMR longitudinal frequency, derived from the magnitude of the flow-induced change in the transverse frequency. A flow-induced texture transition, which caused a dramatic narrowing of the NMR lineshape, is described.


Magnetic Field Flow Velocity Fluid Flow Frequency Shift Energy Term 
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Copyright information

© Plenum Publishing Corporation 1995

Authors and Affiliations

  • D. Kruppa
    • 1
  • D. F. Brewer
    • 1
  • J. Hutchins
    • 1
  • D. Waxman
    • 1
  1. 1.Physics LaboratoryUniversity of SussexSussexUK

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