Superfluid films in porous media

The superfluid transition of /sup 4/He films adsorbed in porous media is analyzed with use of a generalization of the Kosterlitz-Thouless theory appropriate to connected surfaces. Topological excitations with quanta of circulation around loops which enclose the pore space are identified. On large le...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1988-05, Vol.60 (20), p.2054-2057
Hauptverfasser:	MACHTA, J, GUYER, R. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Boson degeneracy and superfluidity of 4he CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Condensed matter: structure, mechanical and thermal properties EVEN-EVEN NUCLEI Exact sciences and technology HELIUM 4 HELIUM ISOTOPES ISOTOPES LIGHT NUCLEI MATERIALS NUCLEI PHASE TRANSFORMATIONS Physics POROUS MATERIALS Quantum fluids and solids liquid and solid helium SORPTIVE PROPERTIES STABLE ISOTOPES SUPERFLUIDITY SURFACE PROPERTIES 640450 > Fluid Physics-- Superfluidity THIN FILMS
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