Self-cooling of weak solutions of 3He in 4He during adiabatic melting |
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| Authors: | A P Sebedash |
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| Institution: | (1) P. L. Kapitsa Institute of Physics Problems, Russian Academy of Sciences, 117334 Moscow, Russia;(2) P. N. Lebedev Physics Institute, Russian Academy of Sciences, 117924 Moscow, Russia |
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| Abstract: | A new method of pressure regularization in the measuring cell is proposed for experiments on self-cooling of weak solutions.
Preliminary results are presented for solutions with concentrations of 2% and 7%. Cooling by a factor of 1.5–2 was observed
in the starting-temperature range 40–140 mK.
Pis’ma Zh. éksp. Teor. Fiz. 65, No. 3, 263–267 (10 February 1997) |
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