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Journal of Low Temperature Physics

, Volume 146, Issue 5–6, pp 499–510 | Cite as

In-situ Variable Small Gap for Measurement of Finite-size Scaling Near the Lambda Transition

  • J. J. Niemela
  • G. G. Ihas
Article
  • 29 Downloads

The development of a small-gap capacitor, especially utilizable for studying finite-size effects near the 4He superfluid phase transition, is discussed. This device is designed to provide a range of known sample heights of small measure, commensurate with the ability to closely approach the superfluid transition, in which other variations in boundary conditions are avoided. In addition to the ability to adjust the gap of this capacitor at low temperature, parallelism can be maintained to a high degree.

Keywords

superfluid phase transition finite size 

PACS Numbers

67.40 Kh 

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.The Abdus Salam International Centre for Theoretical PhysicsTriesteItaly
  2. 2.Department of PhysicsUniversity of FloridaGainesvilleUSA

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