Simultaneous measurement of the heat cap
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S.Q. Murphy; J.D. Reppy
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Article
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1990
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Elsevier Science
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English
โ 231 KB
A simultaneous measurement of the heat capacity and superfluid density of thin 4He films on Vycor glass has been made. We have conclusively established the 3D nature of the critical region by the observation of a heat capacity peak coincident with Z', of the film. In addition, we find reasonable agr