Anomalous suppression of superfluidity in4he confined in a nanoporous glass

K. Yamamoto, H. Nakashima, Y. Shibayama, K. Shirahama

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78 Citations (Scopus)


The superfluidity of 4He confined in a porous glass at a pressure up to 5 MPa is discussed. The increasing pressure supressed the superfluidity and the superfluid transition temperature approaches 0 K at critical pressure of approximately 3.4 Mpa. The extreme confinement of 4He in to the nanopores induces a quantum phase transition from a superfluid to a nonsuperfluid at 0 K and at Pc. The results show a strong supression of 4He superfluidity by extreme confinement in to the nanopores.

Original languageEnglish
Article number075302
Pages (from-to)075302-1-075302-4
JournalPhysical review letters
Issue number7
Publication statusPublished - 2004 Aug 13

ASJC Scopus subject areas

  • General Physics and Astronomy


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