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The generation of quantum turbulence in He-3-B by a vibrating grid at low temperatures.

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The generation of quantum turbulence in He-3-B by a vibrating grid at low temperatures. / Bradley, D. Ian; Fisher, Shaun N.; Guénault, A.M.; Haley, Richard P.; Matthews, C. J.; Pickett, George R.; Tsepelin, Viktor; Zaki, K.

In: AIP Conference Proceedings, Vol. 850, 07.09.2006, p. 173-174.

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@article{bb69a985ce664a7f88bd9bcfd7009ecd,
title = "The generation of quantum turbulence in He-3-B by a vibrating grid at low temperatures.",
abstract = "We have measured the onset of quantum turbulence generated by a vibrating grid resonator in He-3-B. Our measurements were carried out in the low temperature regime where the normal fluid component is very dilute and can be described as a gas of ballistic quasiparticles. Consequently, the normal fluid component can not participate in turbulence generation. We have measured the onset of turbulence from the grid motion using two nearby vibrating wire resonators. The vibrating wires show a reduction in thermal quasiparticle damping due to Andreev reflection in the surrounding turbulent velocity field. Our measurements reveal a transition in the transient behavior of the onset of the vorticity signal at the vibrating wire resonators as a function of the grid velocity.",
keywords = "superfluid, Helium-3, quantum turbulence, ultralow temperature",
author = "Bradley, {D. Ian} and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Haley, {Richard P.} and Matthews, {C. J.} and Pickett, {George R.} and Viktor Tsepelin and K. Zaki",
year = "2006",
month = sep,
day = "7",
doi = "10.1063/1.2354656",
language = "English",
volume = "850",
pages = "173--174",
journal = "AIP Conference Proceedings",
issn = "0094-243X",
publisher = "American Institute of Physics Publising LLC",

}

RIS

TY - JOUR

T1 - The generation of quantum turbulence in He-3-B by a vibrating grid at low temperatures.

AU - Bradley, D. Ian

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Haley, Richard P.

AU - Matthews, C. J.

AU - Pickett, George R.

AU - Tsepelin, Viktor

AU - Zaki, K.

PY - 2006/9/7

Y1 - 2006/9/7

N2 - We have measured the onset of quantum turbulence generated by a vibrating grid resonator in He-3-B. Our measurements were carried out in the low temperature regime where the normal fluid component is very dilute and can be described as a gas of ballistic quasiparticles. Consequently, the normal fluid component can not participate in turbulence generation. We have measured the onset of turbulence from the grid motion using two nearby vibrating wire resonators. The vibrating wires show a reduction in thermal quasiparticle damping due to Andreev reflection in the surrounding turbulent velocity field. Our measurements reveal a transition in the transient behavior of the onset of the vorticity signal at the vibrating wire resonators as a function of the grid velocity.

AB - We have measured the onset of quantum turbulence generated by a vibrating grid resonator in He-3-B. Our measurements were carried out in the low temperature regime where the normal fluid component is very dilute and can be described as a gas of ballistic quasiparticles. Consequently, the normal fluid component can not participate in turbulence generation. We have measured the onset of turbulence from the grid motion using two nearby vibrating wire resonators. The vibrating wires show a reduction in thermal quasiparticle damping due to Andreev reflection in the surrounding turbulent velocity field. Our measurements reveal a transition in the transient behavior of the onset of the vorticity signal at the vibrating wire resonators as a function of the grid velocity.

KW - superfluid

KW - Helium-3

KW - quantum turbulence

KW - ultralow temperature

U2 - 10.1063/1.2354656

DO - 10.1063/1.2354656

M3 - Journal article

VL - 850

SP - 173

EP - 174

JO - AIP Conference Proceedings

JF - AIP Conference Proceedings

SN - 0094-243X

ER -