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Diffusion in3He near its critical point

Diffusion in3He near its critical point Pulsed NMR techniques were used to measure the spin diffusion coefficient in 3 He along eight isotherms between 3.0 and 4.2 K. Densities were also obtained simultaneously from the amplitude of the signal, assuming the magnetization obeys the Curie law. Absolute values of the density were obtained by normalizing to existing data. Although values of|T−T c |/T c and|ρ−ρ c |/ρ c of less than 10−3 were achieved, no anomaly was observed. This is consistent with similar measurements on other substances. Our low-density results agree well with previous measurements and theory. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

Diffusion in3He near its critical point

Journal of Low Temperature Physics , Volume 10 (6) – Nov 2, 2004

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References (16)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1007/BF00655460
Publisher site
See Article on Publisher Site

Abstract

Pulsed NMR techniques were used to measure the spin diffusion coefficient in 3 He along eight isotherms between 3.0 and 4.2 K. Densities were also obtained simultaneously from the amplitude of the signal, assuming the magnetization obeys the Curie law. Absolute values of the density were obtained by normalizing to existing data. Although values of|T−T c |/T c and|ρ−ρ c |/ρ c of less than 10−3 were achieved, no anomaly was observed. This is consistent with similar measurements on other substances. Our low-density results agree well with previous measurements and theory.

Journal

Journal of Low Temperature PhysicsSpringer Journals

Published: Nov 2, 2004

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