Temperature gradient along superfluid /sup 4/He films in the presence of superflow

Journal Article · Wed Sep 01 00:00:00 EDT 1982 · Phys. Rev. B: Condens. Matter; (United States)

OSTI ID:6804642

Hedge, S G; Cordery, R A; Glaberson, W I

We have measured the nonlinear thermal conductance of a thin film of /sup 4/He as a function of temperature and heater power for a fixed film thickness. When heat transfer through the gas is included we obtain a quantitative understanding of the data in terms of Kosterlitz-Thouless theory as extended to finite superflow by Ambegaokar et al. The exponent in the power law relating conductance and heater power exhibits the universal jump at T/sub c/ predicted by its simple relationship to the areal superfluid density.

• Research Organization: Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903
• OSTI ID: 6804642
• Journal Information: Phys. Rev. B: Condens. Matter; (United States), Vol. 26:5
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BISMUTH OXIDES
CRYSTAL STRUCTURE
ELECTRONIC STRUCTURE
SUPERCONDUCTIVITY
HELIUM II
THERMAL CONDUCTIVITY
OXIDES
CORRELATIONS
CUBIC LATTICES
ELECTRON-PHONON COUPLING
EXCHANGE INTERACTIONS
FILMS
HEAT TRANSFER
NONLINEAR PROBLEMS
SELF-CONSISTENT FIELD
SUPERFLUIDITY
TEMPERATURE DEPENDENCE
TETRAGONAL LATTICES
TRANSITION TEMPERATURE
VORTICES
BISMUTH COMPOUNDS
CHALCOGENIDES
CRYSTAL LATTICES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY TRANSFER
EVEN-EVEN NUCLEI
FLUIDS
HELIUM 4
HELIUM ISOTOPES
INTERACTIONS
ISOTOPES
LIGHT NUCLEI
NUCLEI
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTUM FLUIDS
STABLE ISOTOPES
THERMODYNAMIC PROPERTIES
640450* - Fluid Physics- Superfluidity