Journal
PHYSICAL REVIEW LETTERS
Volume 84, Issue 10, Pages 2060-2063Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.2060
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Transition temperature data obtained as a function of particle density in the He-4-Vycor system are compared with recent theoretical calculations for 3D Bose-condensed systems. In the low density dilute Bose gas regime we find, in agreement with theory, a positive shift in the transition temperature of the form Delta T/T-0 = gamma(na(3))(1/3). At higher densities a maximum is found in the ratio of T-c/T-0 for a value of the: interaction parameter, na(3), that is in agreement with path-integral Monte Carlo calculations.
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