Thermal Time Constant Between Powdered CMN and Superfluid 3He

  • T. Chainer
  • H. Kojima


We report measurement of the thermal relaxation time constant of a mixture of powdered cerium magnesium nitrate (CMN) and liquid 3He in its superfluid phases. At the superfluid transition of liquid 3He, there is a discontinuity in the thermal time constant. A thermal time constant discontinuity would be expected from a simple model for the CMN-3He mixture as two coupled thermal baths. The discontinuity may be used to extract the ratio of heat capacities of 3He below and above the superfluid transition temperature.


Thermal Time Superfluid Phase Superfluid Transition Thermal Time Constant Adiabatic Demagnetization 
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Copyright information

© Plenum Press, New York 1977

Authors and Affiliations

  • T. Chainer
    • 1
  • H. Kojima
    • 1
  1. 1.Department of PhysicsRutgers UniversityNew BrunswickUSA

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