Damping of second sound in superfluid helium near T/sub lambda/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The damping coefficient of second sound has been measured in liquid helium at saturated vapor pressure near T/sub lambda/. The results cover the temperature range 40 mK>T/sub lambda/-T>40 ..mu..K, and were obtained by the measurement of decay rates in a high-Q second-sound resonant cavity. These values are in good agreement with the predictions of nonlinear renormalization-group analysis applied to the asymmetric planar spin model for liquid helium in the ''crossover'' and precritical temperature ranges.
- Research Organization:
- Department of Physics, University of British Columbia, Vancouver, British Columbia, V6T2A6 Canada
- OSTI ID:
- 5938833
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 27:9; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
DAMPING
EVEN-EVEN NUCLEI
FLUIDS
HELIUM 4
HELIUM II
HELIUM ISOTOPES
ISOTOPES
LAMBDA POINT
LIGHT NUCLEI
NUCLEI
PHYSICAL PROPERTIES
QUANTUM FLUIDS
SECOND SOUND
STABLE ISOTOPES
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
DAMPING
EVEN-EVEN NUCLEI
FLUIDS
HELIUM 4
HELIUM II
HELIUM ISOTOPES
ISOTOPES
LAMBDA POINT
LIGHT NUCLEI
NUCLEI
PHYSICAL PROPERTIES
QUANTUM FLUIDS
SECOND SOUND
STABLE ISOTOPES
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE