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Critical velocity of continuous vortex formation in rotating3He-A

  • Liquid Helium
  • Published:
Czechoslovak Journal of Physics Aims and scope

Abstract

Vortex lines with continuous (singularity-free) core structure are usually formed when superfluid3He-A is accelerated to rotation. The critical counterflow velocityv c (T), at which vortex formation starts, has been measured with cw NMR. The onset of vortex formation is found to depend on the order parameter texture and differs from that of singular core vortices in4He-II or3He-B due to much larger length scale.

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References

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Authors and Affiliations

  1. Low Temperature Laboratory, Helsinki University of Technology, FIN-02150, Espoo, Finland

    V. M. Ruutu, J. Kopu, M. Krusius, Ü. Parts, E. V. Thuneberg & Wen Xu

  2. Laboratoire de Physique de la Matière Condensée, E.N.S., F-75231, Paris Cédex 05, France

    B. Plaçais

Authors
  1. V. M. Ruutu
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  2. J. Kopu
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  3. M. Krusius
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  4. Ü. Parts
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  5. B. Plaçais
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  6. E. V. Thuneberg
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  7. Wen Xu
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Ruutu, V.M., Kopu, J., Krusius, M. et al. Critical velocity of continuous vortex formation in rotating3He-A. Czech J Phys 46 (Suppl 1), 7–8 (1996). https://doi.org/10.1007/BF02569419

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  • DOI: https://doi.org/10.1007/BF02569419

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