Polar Phase of 3 He in Nematic Aerogel and Quartz Tuning Fork as Sensitive Detectors of Surface Boundary Conditions

V. V. Dmitriev*, V. B. Eltsov, J. Rysti, A. A. Soldatov, A. N. Yudin

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
34 Downloads (Pure)

Abstract

A new superfluid phase of 3He, a polar phase, which is known to stabilize in nematic aerogel, has already led to the observation of many new phenomena. One important condition for the existence of the polar phase is a 4He coverage, which removes solid paramagnetic 3He from the surface of the aerogel strands. We report here the results of NMR experiments with superfluid 3He in nematic aerogel demonstrating the influence of 4He coverage. Simultaneous measurements of resonance properties of a quartz tuning fork immersed in liquid 3He well correlate with the NMR data.

Original languageEnglish
Pages (from-to)3-16
Number of pages14
JournalJournal of Low Temperature Physics
Volume208
Issue number1-2
DOIs
Publication statusPublished - Jul 2022
MoE publication typeA1 Journal article-refereed

Keywords

  • He coverage
  • Liquid He
  • Nematic aerogel
  • Polar phase
  • Quartz tuning fork
  • Solid He

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