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Heat Capacity and Thermal Relaxation of Bulk Helium very near the Lambda Point

Authors
  • Lipa, J.A.
  • Swanson, D.R.
  • Nissen, J.A.
  • Chui, T.C.P.
  • Israelsson, U.E.
Publication Date
Feb 05, 1996
Identifiers
DOI: 10.1103/PhysRevLett.76.944
OAI: oai:inspirehep.net:439170
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

We report new high-resolution measurements of the heat capacity of liquid helium to within 2 nK from the lambda transition, performed with a large sample in earth orbit. The optimum value for the critical exponent characterizing the divergence of the heat capacity below the transition was found to be −0.01285, giving improved support for the renormalization-group theory of phase transitions. Some information on the temperature dependence of the thermal conductivity just above the transition was also obtained.

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