Fourth sound measurement of superfluid 3He in aerogel

Yusuke Nago, K. Obara, R. Kado, H. Yano, O. Ishikawa, T. Hata

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The fourth sound resonance experiment has been done on liquid 3He in 98.5% porosity aerogel. Aerogel was grown inside the pores among the sintered silver powder to avoid the vibration of the aerogel strands by the sound experiment. The measurement was performed at zero magnetic field and 27 bar. We observed the phase transition between the A-like and B-like phases and also their coexistent state. The A-like to B-like phase transition occurs not at a temperature but within a temperature band. In this band, the A-like phase gradually converts to the B-like phase. Possible picture of the coexistent state is discussed.

Original languageEnglish
Pages (from-to)597-601
Number of pages5
JournalJournal of Low Temperature Physics
Volume148
Issue number5-6
DOIs
Publication statusPublished - 2007 Sep

Fingerprint

Acoustic variables measurement
Aerogels
acoustic measurement
aerogels
Phase transitions
Acoustic waves
porosity
acoustics
Silver
strands
Powders
Vibrations (mechanical)
Porosity
Experiments
silver
Magnetic fields
vibration
Temperature
temperature
Liquids

Keywords

  • 67.57.-z
  • 67.57.De
  • 67.57.Pq
  • 74.84.-g

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Fourth sound measurement of superfluid 3He in aerogel. / Nago, Yusuke; Obara, K.; Kado, R.; Yano, H.; Ishikawa, O.; Hata, T.

In: Journal of Low Temperature Physics, Vol. 148, No. 5-6, 09.2007, p. 597-601.

Research output: Contribution to journalArticle

Nago, Y, Obara, K, Kado, R, Yano, H, Ishikawa, O & Hata, T 2007, 'Fourth sound measurement of superfluid 3He in aerogel', Journal of Low Temperature Physics, vol. 148, no. 5-6, pp. 597-601. https://doi.org/10.1007/s10909-007-9455-1
Nago, Yusuke ; Obara, K. ; Kado, R. ; Yano, H. ; Ishikawa, O. ; Hata, T. / Fourth sound measurement of superfluid 3He in aerogel. In: Journal of Low Temperature Physics. 2007 ; Vol. 148, No. 5-6. pp. 597-601.
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