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Author Martinez, E.N.; Esquinazi, P.; Luzuriaga, J.
Title Measurements of the superfluid transition in helium by means of a vibrating reed Type Journal Article
Year 1990 Publication American Journal of Physics Abbreviated Journal Am. J. Phys.
Volume 58 Issue 12 Pages 1163-1168
Abstract A relatively simple method is presented that has been used in an undergraduate experimental course for observing the superfluid transition in 4He. The experimental technique consists of submerging a vibrating reed in liquid helium and observing the changes in frequency and damping (energy dissipation) as the temperature is regulated above and below the superfluid transition. The results of the measurements are interpreted by means of a simplification of the acting hydrodynamic forces, and it is seen that most of the relevant physics is well described by the approximations.
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Series Volume Series Issue Edition
ISSN 0002-9505 ISBN Medium
Area Expedition Conference
Notes ISI:A1990EJ58300010 Approved no
Call Number BT @ hernan @ Serial 258
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