Kosterlitz-Thouless transition in helium films

Journal Article · Mon May 01 04:00:00 EDT 1989 · Phys. Rev. B: Condens. Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.39.8934· OSTI ID:6167720

Agnolet, G; McQueeney, D F; Reppy, J D

The superfluid response of helium films with transition temperatures ranging from 70 mK to 0.5 K has been studied using a torsional oscillator technique. A detailed analysis of the background indicates that the initial nonsuperfluid layer has an unexpected temperature-dependent period shift and dissipation. The superfluid response obeys a general scaling law which can be derived from the Kosterlitz-Thouless theory. Comparisons with the dynamic theory reveal nonuniversal behavior as a function of coverage.

• Research Organization: Texas AandM University, College Station, Texas 77843
• OSTI ID: 6167720
• Journal Information: Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 39:13; ISSN PRBMD
• Country of Publication: United States
• Language: English

Related Subjects

640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ADSORBENTS
ADSORPTION
CRITICAL TEMPERATURE
EVEN-EVEN NUCLEI
FILMS
FLUID FLOW
FLUIDS
HELIUM 4
HELIUM II
HELIUM ISOTOPES
ISOTOPES
LIGHT NUCLEI
NUCLEI
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
QUANTUM FLUIDS
SCALING LAWS
SORPTION
STABLE ISOTOPES
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THIN FILMS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
VORTEX FLOW