Low-temperature studies of the NMR frequency shift in superfluid A3

P. Schiffer, M. T. O'Keefe, Hiroshi Fukuyama, D. D. Osheroff

Research output: Contribution to journalArticlepeer-review

Abstract

We report the first measurements of the longitudinal resonance frequency [vlong(A)] in 3He-A in the low-temperature limit, as well as new measurements near Tc. In the low-temperature limit, our data agree well with theoretically predicted behavior. The data allow us to make the first estimates of the BCS cutoff energy as a function of pressure and of the zero-temperature A-phase energy gap.

Original languageEnglish (US)
Pages (from-to)3096-3099
Number of pages4
JournalPhysical review letters
Volume69
Issue number21
DOIs
StatePublished - 1992

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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