Pressure dependence of the superfluid sup 4 He transition in two dimensions

It is experimentally known that the superfluid transition temperature in three-dimensional (3D) {sup 4}He is reduced at higher densities. A similar effect is predicted in two dimensions (2D) based upon path integral quantum Monte Carlo simulations for small systems which have been scaled to the ther...

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Bibliographic Details
Published in:Journal of physical chemistry (1952) 1990-02, Vol.94:3
Main Authors: Peters, D.S., Alder, B.J.
Format: Article
Language:English
Subjects:
400200 - Inorganic, Organic, & Physical Chemistry
656000 - Condensed Matter Physics
CALCULATION METHODS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
DATA ANALYSIS
EVEN-EVEN NUCLEI
HELIUM 4
HELIUM ISOTOPES
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MONTE CARLO METHOD
NUCLEAR MODELS
NUCLEI
PHYSICAL PROPERTIES
PRESSURE DEPENDENCE
STABLE ISOTOPES
SUPERFLUID MODEL
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
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Summary:It is experimentally known that the superfluid transition temperature in three-dimensional (3D) {sup 4}He is reduced at higher densities. A similar effect is predicted in two dimensions (2D) based upon path integral quantum Monte Carlo simulations for small systems which have been scaled to the thermodynamic limit by using Kosterlitz-Thouless (KT) theory.
ISSN:0022-3654
1541-5740
DOI:10.1021/j100366a026