Anisotropic phases of superfluid he 3 in compressed aerogel

J. I.A. Li, A. M. Zimmerman, J. Pollanen, C. A. Collett, W. P. Halperin

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


It has been shown that the relative stabilities of various superfluid states of He3 can be influenced by anisotropy in a silica aerogel framework. We prepared a suite of aerogel samples compressed up to 30% for which we performed pulsed NMR on He3 imbibed within the aerogel. We identified A and B phases and determined their magnetic field-temperature phase diagrams as a function of strain. From these results, we infer that the B phase is distorted by negative strain forming an anisotropic superfluid state more stable than the A phase.

Original languageEnglish (US)
Article number105302
JournalPhysical review letters
Issue number10
StatePublished - Mar 10 2015

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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