Phase diagram of vortices in superfluid 3He-A

Research output: Contribution to journalArticle


  • Ü. Parts
  • J. Karimäki
  • J. Koivuniemi
  • M. Krusius
  • V. Ruutu
  • E. Thuneberg
  • Grigory Volovik

Research units


Four alternative but topologically different structures of vorticity exist in rotating 3He−A. As a function of magnetic field ( H) and rotation velocity (Ω), we identify with NMR the type of vortex which is nucleated during cooling from the normal to the superfluid phase. The measurements are compared to the calculated equilibrium phase diagram of vortices in the H−Ω plane at temperatures T≲Tc. Slow transitions are found to reproduce the calculated equilibrium state.


Original languageEnglish
Pages (from-to)3320-3323
JournalPhysical Review Letters
Issue number18
Publication statusPublished - 1995
MoE publication typeA1 Journal article-refereed

    Research areas

  • phase transitions, quantized vortex lines, superfluid 3He

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