Critical velocities in superfluid /sup 3/He

Journal Article · Mon Oct 29 04:00:00 EST 1979 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.43.1332· OSTI ID:5857122

Parpia, J M; Reppy, J D

The oscillatory flow of superfluid /sup 3/He through an 18-..mu..m-diam orifice has been studied. A clearly defined critical velocity is seen in both the A and B phases. For velocities greater than the critical value, the superflow involves an excess dissipation. The temperature dependence of the critical velocity is reported for temperatures near the superfluid transition (T/T/sub c/>0.9).

• Research Organization: Laboratory of Atomic and Solid State Physics, and The Materials Science Center, Cornell University, Ithaca, New York 14853
• OSTI ID: 5857122
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 43:18; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANNULAR SPACE
CONFIGURATION
CRITICAL VELOCITY
DISSIPATION FACTOR
EVEN-ODD NUCLEI
FLUID FLOW
HELIUM 3
HELIUM 3 A
HELIUM 3 B
HELIUM ISOTOPES
ISOTOPES
LIGHT NUCLEI
MEDIUM PRESSURE
NUCLEI
OSCILLATIONS
STABLE ISOTOPES
TEMPERATURE DEPENDENCE
TOROIDAL CONFIGURATION
VELOCITY