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Probable observation of a supersolid helium phase.

Author(s) : KIM E., CHAN M. H. W.

Type of article: Article

Summary

This article reports torsional oscillator measurements on solid helium confined in a porous medium, a configuration that is likely to be more heavily populated with vacancies than bulk helium. The authors find an abrupt drop in the rotational inertia of the confined solid below a certain critical temperature. The most likely interpenetration of the inertia drop is entry into the supersolid phase. If confirmed, the results show that all three states of matter - gas, liquid and solid - can undergo Bose-Einstein condensation.

Details

  • Original title: Probable observation of a supersolid helium phase.
  • Record ID : 2004-1528
  • Languages: English
  • Source: Nature - vol. 427 - n. 6971
  • Publication date: 2004/01/15
  • Document available for consultation in the library of the IIR headquarters only.

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