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Texture dependence of the persistent NMR signal in superfluid3He-B

  • Liquid Helium
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Czechoslovak Journal of Physics Aims and scope

Abstract

We have studied coherent magnetization precession in superfluid3He with pulsed NMR to temperatures of ≈0.1T c. Persistent signals were observed with lifetimes up to 60s at a frequency of 0.8MHz. We have found that the behaviour is reproducible for small levels of NMR excitation, whilst becoming irreproducible for higher excitations. We infer from this that textures play an essential role in the formation of persistent signals.

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References

  1. See review: Yu. M. Bunkov,Spin Supercurrent and Novel properties of NMR in 3 He, in “Progress in Low Temp. Physics” 14, 69, ed. W. Halperin, Elsevier, (1995)

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Authors and Affiliations

  1. School of Physics and Chemistry, Lancaster University, LA1 4YB, Lancaster, UK

    Yu M. Bunkov, D. J. Cousins, M. P. Enrico, S. N. Fisher, G. R. Pickett & N. S. Shaw

  2. CRTBT-CNRS, BP166, 38042, Grenoble, France

    Yu M. Bunkov & S. N. Fisher

  3. Institute of Environmental and Biological Science, Lancaster University, LA1 4YQ, Lancaster, UK

    W. Tych

Authors
  1. Yu M. Bunkov
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  2. D. J. Cousins
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  3. M. P. Enrico
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  4. S. N. Fisher
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  5. G. R. Pickett
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  6. N. S. Shaw
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  7. W. Tych
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Bunkov, Y.M., Cousins, D.J., Enrico, M.P. et al. Texture dependence of the persistent NMR signal in superfluid3He-B. Czech J Phys 46 (Suppl 1), 233–234 (1996). https://doi.org/10.1007/BF02569532

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  • DOI: https://doi.org/10.1007/BF02569532

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