Reconnection dynamics and mutual friction in quantum turbulence

Laurie, Jason and Baggaley, Andrew W. (2015). Reconnection dynamics and mutual friction in quantum turbulence. Journal of Low Temperature Physics, 180 (1-2), pp. 82-94.


We investigate the behaviour of the mutual friction force in finite temperature quantum turbulence in 4He, paying particular attention to the role of quantized vortex reconnections. Through the use of the vortex filament model, we produce three experimentally relevant types of vortex tangles in steady-state conditions, and examine through statistical analysis, how local properties of the tangle influence the mutual friction force. Finally, by monitoring reconnection events, we present evidence to indicate that vortex reconnections are the dominant mechanism for producing areas of high curvature and velocity leading to regions of high mutual friction, particularly for homogeneous and isotropic vortex tangles.

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Divisions: Engineering & Applied Sciences
Engineering & Applied Sciences > Systems analytics research institute (SARI)
Additional Information: The final publication is available at Springer via
Full Text Link: http://link.spr ... 0909-014-1268-4
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Published Date: 2015-07
Authors: Laurie, Jason ( 0000-0002-3621-6052)
Baggaley, Andrew W.



Version: Accepted Version

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