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Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B. / Bradley, D. Ian; Fisher, Shaun N.; Guénault, A.M. et al.
In: Physical review letters, Vol. 101, No. 6, 08.08.2008, p. 065302.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bradley, DI, Fisher, SN, Guénault, AM, Haley, RP, O'Sullivan, S, Pickett, GR & Tsepelin, V 2008, 'Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B.', Physical review letters, vol. 101, no. 6, pp. 065302. https://doi.org/10.1103/PhysRevLett.101.065302

APA

Bradley, D. I., Fisher, S. N., Guénault, A. M., Haley, R. P., O'Sullivan, S., Pickett, G. R., & Tsepelin, V. (2008). Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B. Physical review letters, 101(6), 065302. https://doi.org/10.1103/PhysRevLett.101.065302

Vancouver

Bradley DI, Fisher SN, Guénault AM, Haley RP, O'Sullivan S, Pickett GR et al. Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B. Physical review letters. 2008 Aug 8;101(6):065302. doi: 10.1103/PhysRevLett.101.065302

Author

Bradley, D. Ian ; Fisher, Shaun N. ; Guénault, A.M. et al. / Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B. In: Physical review letters. 2008 ; Vol. 101, No. 6. pp. 065302.

Bibtex

@article{edc233fa2fc24e7fa94501b27759053d,
title = "Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B.",
abstract = "We describe the first measurements of line-density fluctuations and spatial correlations of quantum turbulence in superfluid He-3-B. All of the measurements are performed in the low-temperature regime, where the normal-fluid density is negligible. The quantum turbulence is generated by a vibrating grid. The vortex-line density is found to have large length-scale correlations, indicating large-scale collective motion of vortices. Furthermore, we find that the power spectrum of fluctuations versus frequency obeys a -5/3 power law which verifies recent speculations that this behavior is a generic feature of fully developed quantum turbulence, reminiscent of the Kolmogorov spectrum for velocity fluctuations in classical turbulence.",
keywords = "GRID TURBULENCE, FINITE CHANNEL, VELOCITY, GENERATION, FORCE, MODEL",
author = "Bradley, {D. Ian} and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Haley, {Richard P.} and Samantha O'Sullivan and Pickett, {George R.} and Viktor Tsepelin",
year = "2008",
month = aug,
day = "8",
doi = "10.1103/PhysRevLett.101.065302",
language = "English",
volume = "101",
pages = "065302",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "6",

}

RIS

TY - JOUR

T1 - Fluctuations and correlations of pure quantum turbulence in superfluid He-3_B.

AU - Bradley, D. Ian

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Haley, Richard P.

AU - O'Sullivan, Samantha

AU - Pickett, George R.

AU - Tsepelin, Viktor

PY - 2008/8/8

Y1 - 2008/8/8

N2 - We describe the first measurements of line-density fluctuations and spatial correlations of quantum turbulence in superfluid He-3-B. All of the measurements are performed in the low-temperature regime, where the normal-fluid density is negligible. The quantum turbulence is generated by a vibrating grid. The vortex-line density is found to have large length-scale correlations, indicating large-scale collective motion of vortices. Furthermore, we find that the power spectrum of fluctuations versus frequency obeys a -5/3 power law which verifies recent speculations that this behavior is a generic feature of fully developed quantum turbulence, reminiscent of the Kolmogorov spectrum for velocity fluctuations in classical turbulence.

AB - We describe the first measurements of line-density fluctuations and spatial correlations of quantum turbulence in superfluid He-3-B. All of the measurements are performed in the low-temperature regime, where the normal-fluid density is negligible. The quantum turbulence is generated by a vibrating grid. The vortex-line density is found to have large length-scale correlations, indicating large-scale collective motion of vortices. Furthermore, we find that the power spectrum of fluctuations versus frequency obeys a -5/3 power law which verifies recent speculations that this behavior is a generic feature of fully developed quantum turbulence, reminiscent of the Kolmogorov spectrum for velocity fluctuations in classical turbulence.

KW - GRID TURBULENCE

KW - FINITE CHANNEL

KW - VELOCITY

KW - GENERATION

KW - FORCE

KW - MODEL

UR - http://www.scopus.com/inward/record.url?scp=49749125031&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.101.065302

DO - 10.1103/PhysRevLett.101.065302

M3 - Journal article

VL - 101

SP - 065302

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 6

ER -