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Characterization of spin polarized dilute3He-4He solutions below 500 mK

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Abstract

We have prepared a large sample of spin polarized liquid3He-4He at 500 mK. Polarization is obtained by laser optical pumping, and studied by pulsed NMR. We have observed a nuclear magnetization lifetime T 1 longer than 1 hour, and an anomalously long, non linear decay of tranverse magnetization.

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References

  1. G. Vermeulen and M. Cornut,Proceedings of L.T.19 Conference, Brighton, U.K.,Physica B165 and B166, 45 (1990).

  2. M. Cornut and P.J. Nacher, this conference, and references therein.

  3. P.J. Nacher and J. Dupont-Roc,Phys. Rev. Lett. 67, 2966 (1991). On this topic, refer also to communications in this conference.

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  4. O.V. Lounasmaa, “Experimental Principles and Methods Below 1K”, Academic Press (1974), §8.5.

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Author notes

  1. G. Vermeulen

    Present address: C.R.T.B.T., B.P. 166 X, 38042, Grenoble Cedex, France

Authors and Affiliations

  1. Laboratoire de Spectroscopie Hertzienne Ecole Normale Supérieure, 24 rue Lhomond, Paris, France

    M. Cornut, P. J. Nacher & G. Vermeulen

Authors
  1. M. Cornut
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  2. P. J. Nacher
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  3. G. Vermeulen
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Additional information

Unité de recherche de l'Ecole Normale Supérieure et de l'Université Pierre et Marie Curie, associé au CNRS (URA 18).

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Cornut, M., Nacher, P.J. & Vermeulen, G. Characterization of spin polarized dilute3He-4He solutions below 500 mK. J Low Temp Phys 89, 527–530 (1992). https://doi.org/10.1007/BF00694079

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  • DOI: https://doi.org/10.1007/BF00694079

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