Quantum turbulence decay

Details Quantum turbulence decay Quantum turbulence decay

2004-05-07

arxiv.org/abs/physics/0405034v1

Physics

Fluid Dynamics

to appear in Phys. Lett. A

Scientific paper

10.1016/j.physleta.2004.04.069

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 a scaling law with a -0.45 exponent. 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.

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