We have performed torsional oscillator experiments with He-3- He-4 mixture films adsorbed on Ag powder. A Be-Cu torsional oscillator has been cooled to 900muK with a PrNi5 nuclear refrigerator. With a precision of 2x10(-4) He-3 atoms/angstrom-2 in the resonant frequency measurement, we have found no evidence for a He-3 superfluid transition. The results of measurements of He-3 inertial effective mass are also reported.
机构:
UNIV PARIS 06,CNRS,URA 18,SPECTROSCOPIE HERTZIENNE LAB,F-75230 PARIS 05,FRANCEUNIV PARIS 06,CNRS,URA 18,SPECTROSCOPIE HERTZIENNE LAB,F-75230 PARIS 05,FRANCE
CORNUT, M
NACHER, PJ
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机构:
UNIV PARIS 06,CNRS,URA 18,SPECTROSCOPIE HERTZIENNE LAB,F-75230 PARIS 05,FRANCEUNIV PARIS 06,CNRS,URA 18,SPECTROSCOPIE HERTZIENNE LAB,F-75230 PARIS 05,FRANCE