Flow of /sup 3/He-B through narrow channels

Journal Article · Sun Mar 21 23:00:00 EST 1982 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.48.812· OSTI ID:5286595

Manninen, M T; Pekola, J P

The critical current J/sub c/ of superfluid /sup 3/He-B through 0.8-..mu..m-diam channels has been measured. For small currents the pressure difference ..delta..P = 0 along the flow channels within the resolution, implying small or zero dissipation. ..delta..P grows rapidly with increasing current above J/sub c/; a clear transition to dissipative flow is thus observed. The temperature dependence of J/sub c/ indicates that the superfluid density and the critical temperature are reduced inside the narrow flow channels.

• Research Organization: Low Temperature Laboratory, Helsinki University of Technology, SF-02150 Espoo 15, Finland
• OSTI ID: 5286595
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 48:12; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRITICAL CURRENT
CRITICAL TEMPERATURE
CURRENTS
DATA
ELECTRIC CURRENTS
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
HELIUM 3
HELIUM 3 B
HELIUM ISOTOPES
INFORMATION
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
PHYSICAL PROPERTIES
STABLE ISOTOPES
SUPERFLUIDITY
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE