Pulsed NMR studies of superfluid3He

R. W. Giannetta, E. N. Smith, D. M. Lee

Research output: Contribution to journalArticle

Abstract

We present a review of our pulsed NMR experiments in the A and B phases of superfluid3He, at pressures of 23 and 27 bar. We have measured the dipole frequency in3He-A, spin susceptibility in3He-B, and tip-angle-dependent frequency shifts in both phases. In general, we find excellent agreement with results by other workers. In3He-B, complex spin motions were observed involving long-lived free induction decays with a time-dependent precession frequency. Spin relaxation measurements for both3He-A and3He-B are discussed and compared with those of other workers. After driving the magnetization far from equilibrium, anomalous frequency shifts were found to persist in the A phase. We discuss a soliton-texture model by Bruinsma and Maki which accounts for these resonances.

Original languageEnglish (US)
Pages (from-to)295-333
Number of pages39
JournalJournal of Low Temperature Physics
Volume45
Issue number3-4
DOIs
StatePublished - Nov 1 1981
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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