Spin Rotation Effects and Spin Waves in Gaseous 3He↑

Abstract : Spin polarized gases such as H↑ or 3He↑ can propagate damped spin waves at low temperatures; their origin is the so-called « identical spin rotation effect » in collisions between identical particles. We report here the observation of such effects in 3He↑ in the temperature range 2 < T < 6 K, and preliminary measurements of the coefficient μ which characterizes the quality factor of the spin oscillations. The measurements are in agreement with the numerical calculations of C. Lhuillier.
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  • HAL Id : hal-01974689, version 1


Pierre-Jean Nacher, Geneviève Tastevin, M. Leduc, F. Crampton. Spin Rotation Effects and Spin Waves in Gaseous 3He↑. Journal de Physique Lettres, Edp sciences, 1984, 45 (9), pp.L441-L448. ⟨https://hal.archives-ouvertes.fr/jpa-00232367⟩. ⟨hal-01974689⟩



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