Quantum turbulence decay

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Abstract

We develop a computational model of quantum turbulence decay employing a kinematic prescription for the normal fluid. We find that after an initial transient, the length of the vortex tangle L decreases and for large times obeys the scaling law L≈t-0.45. The average magnitude (along the quantized vortices) of the superfluid and line-vortex velocity are close and differ significantly from the average magnitude of the normal fluid velocity.

Original languageEnglish
Pages (from-to)423-428
Number of pages6
JournalPhysics Letters A
Volume326
Issue number5-6
DOIs
Publication statusPublished - 14 Jun 2004

Keywords

  • decay
  • quantum fluids
  • turbulence
  • superfluid

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