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As well as being free from viscosity, Bose-Einstein condensates have another striking property–they are constrained to circulate only through the presence of whirlpools of fixed size and quantised circulation. In contrast, in conventional fluids, the eddies can have arbitrary size and circulation. Here we establish the form of these quantum vortices, their key properties and how they are formed and modelled.

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Rotation and Vortices

  • 章节

  • 发表日期：

    2026年

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  • Carlo F. Barenghi,
  • Thomas Bland,
  • Nick G. Parker

摘要

As well as being free from viscosity, Bose-Einstein condensates have another striking property–they are constrained to circulate only through the presence of whirlpools of fixed size and quantised circulation. In contrast, in conventional fluids, the eddies can have arbitrary size and circulation. Here we establish the form of these quantum vortices, their key properties and how they are formed and modelled.