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Kapitza resistance between silver and 3He at millikelvin temperatures

✍ Scribed by G.J. Stecher; Y. Hu; T.J. Gramila; R.C. Richardson

Book ID
104356846
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
194 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✦ Synopsis

A glass capacitance thermometer was used to measure the Kapitza resistance Rk between a 0.5 pm silver film and liquid 3He at temperatures from 3 to 40 mK. Temperature dependence of Rk was observed in three regimes: roughly proportional to T-' below 15 mK, T-' from 15 to 26 mK, and Tm3 above 26 mK. Rk depended on pressure over the entire temperature range; at 22 mK, & was inversely proportional to m*(P), the effective mass of liquid 3He. At 6.7 mK, & varied with applied magnetic field with a minimum at H e 2.5 mT. No magnetic field dependence was observed above 15 mK.

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