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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Submitted on : Sunday, January 1, 1984 - 8:00:00 AM
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P.J. Nacher, G. Tastevin, M. Leduc, S.B. Crampton, F. Laloë. Spin rotation effects and spin waves in gaseous 3He↑. Journal de Physique Lettres, Edp sciences, 1984, 45 (9), pp.441-448. ⟨10.1051/jphyslet:01984004509044100⟩. ⟨jpa-00232367⟩

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