NMR studies on vortices in rotating 3He-A

Tutkimustuotos: Lehtiartikkeli

Standard

NMR studies on vortices in rotating 3He-A. / Hakonen, P. J.; Krusius, M.; Seppälä, H. K.

julkaisussa: Journal of Low Temperature Physics, Vuosikerta 60, Nro 3-4, 08.1985, s. 187-221.

Tutkimustuotos: Lehtiartikkeli

Harvard

Hakonen, PJ, Krusius, M & Seppälä, HK 1985, 'NMR studies on vortices in rotating 3He-A', Journal of Low Temperature Physics, Vuosikerta. 60, Nro 3-4, Sivut 187-221. https://doi.org/10.1007/BF00681639

APA

Vancouver

Author

Hakonen, P. J. ; Krusius, M. ; Seppälä, H. K. / NMR studies on vortices in rotating 3He-A. Julkaisussa: Journal of Low Temperature Physics. 1985 ; Vuosikerta 60, Nro 3-4. Sivut 187-221.

Bibtex - Lataa

@article{d46e45c4f076435c9345b96e5f32ac08,
title = "NMR studies on vortices in rotating 3He-A",
abstract = "NMR measurements are reported on rotating3He-A in a long cylindrical geometry of 5 mm diameter at a liquid pressure of 29.3 bar and in axial magnetic fields of 14.2, 28.4, and 56.9 mT. At 28.4 mT, NMR studies are also reported in fields inclined by 25° and 90° from the axis of rotation. The frequency shift, the width, and the intensity of the spin wave modes localized on the soft vortex cores, as well as the additional broadening of the main NMR line during rotation, were measured as a function of temperature, angular velocity Ω, magnetic field intensity, and its inclination angle. Also observed were a critical angular velocity of vortex formation, hysteretic behavior in the number of vortices when comparing accelerating rotation to decelerating, and metastable vortex densities, presumably a vortex tangle after rapid oscillatory acceleration. The results can be understood in terms of the continuous 4π vortices first proposed by Sepp{\"a}l{\"a} and Volovik.",
author = "Hakonen, {P. J.} and M. Krusius and Sepp{\"a}l{\"a}, {H. K.}",
year = "1985",
month = "8",
doi = "10.1007/BF00681639",
language = "English",
volume = "60",
pages = "187--221",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
number = "3-4",

}

RIS - Lataa

TY - JOUR

T1 - NMR studies on vortices in rotating 3He-A

AU - Hakonen, P. J.

AU - Krusius, M.

AU - Seppälä, H. K.

PY - 1985/8

Y1 - 1985/8

N2 - NMR measurements are reported on rotating3He-A in a long cylindrical geometry of 5 mm diameter at a liquid pressure of 29.3 bar and in axial magnetic fields of 14.2, 28.4, and 56.9 mT. At 28.4 mT, NMR studies are also reported in fields inclined by 25° and 90° from the axis of rotation. The frequency shift, the width, and the intensity of the spin wave modes localized on the soft vortex cores, as well as the additional broadening of the main NMR line during rotation, were measured as a function of temperature, angular velocity Ω, magnetic field intensity, and its inclination angle. Also observed were a critical angular velocity of vortex formation, hysteretic behavior in the number of vortices when comparing accelerating rotation to decelerating, and metastable vortex densities, presumably a vortex tangle after rapid oscillatory acceleration. The results can be understood in terms of the continuous 4π vortices first proposed by Seppälä and Volovik.

AB - NMR measurements are reported on rotating3He-A in a long cylindrical geometry of 5 mm diameter at a liquid pressure of 29.3 bar and in axial magnetic fields of 14.2, 28.4, and 56.9 mT. At 28.4 mT, NMR studies are also reported in fields inclined by 25° and 90° from the axis of rotation. The frequency shift, the width, and the intensity of the spin wave modes localized on the soft vortex cores, as well as the additional broadening of the main NMR line during rotation, were measured as a function of temperature, angular velocity Ω, magnetic field intensity, and its inclination angle. Also observed were a critical angular velocity of vortex formation, hysteretic behavior in the number of vortices when comparing accelerating rotation to decelerating, and metastable vortex densities, presumably a vortex tangle after rapid oscillatory acceleration. The results can be understood in terms of the continuous 4π vortices first proposed by Seppälä and Volovik.

UR - http://www.scopus.com/inward/record.url?scp=0022113314&partnerID=8YFLogxK

U2 - 10.1007/BF00681639

DO - 10.1007/BF00681639

M3 - Article

VL - 60

SP - 187

EP - 221

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 3-4

ER -

ID: 4370131