Todoshchenko, Igor A. and Alles, Harry and Babkin, A. and Parshin, Alexander Y. and Tsepelin, Viktor (2002) Vibrating wire measurements in superfluid He-3 at the melting curve down to 0.53 mK. Journal of Low Temperature Physics, 126 (5-6). pp. 1449-1455. ISSN 0022-2291Full text not available from this repository.
Measurements of the vibrating wire spectrum have been carried out in superfluid He-3 along the melting curve down to 0.53mK. We have observed that at temperatures below 0.3 T-c, the width of the mechanical resonance of the wire decreases exponentially with 1/T, indicating the ballistic regime of collisions with quasiparticles, The value of the superfluid energy gap was found to be (1.99+/-0.05) T-c, in good agreement with the values obtained from heat capacity measurements. The vibrating wire was thereby calibrated for further experiments at temperatures below 0.5 mK, where the sensitivity of the melting curve thermometry becomes rather poor.
|Journal or Publication Title:||Journal of Low Temperature Physics|
|Uncontrolled Keywords:||MILLIKELVIN TEMPERATURES ; THERMOMETRY ; PRESSURE ; HEAT ; TRANSITION ; BEHAVIOR ; LIMIT|
|Subjects:||Q Science > QC Physics|
|Departments:||Faculty of Science and Technology > Physics|
|Deposited By:||Dr Richard P. Haley|
|Deposited On:||03 Feb 2009 10:10|
|Last Modified:||07 Jan 2015 13:47|
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