Surface spin waves in 3He-A, a probe for vortex phenomena in narrow gaps
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© 1987 American Physical Society (APS). This is the accepted version of the following article: Hakonen, Pertti J. & Nummila, K. K. & Simola, J. T. & Skrbek, L. & Mamniashvili, G. 1987. Surface spin waves in 3He-A, a probe for vortex phenomena in narrow gaps. Physical Review Letters. Volume 58, Issue 7. 678-681. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.58.678, which has been published in final form at http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.58.678.
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School of Science |
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
1987
Major/Subject
Mcode
Degree programme
Language
en
Pages
678-681
Series
Physical Review Letters, Volume 58, Issue 7
Abstract
We report measurements on a new collective spin-wave mode trapped by the textural boundary layers of 3 He-A within a stack of thin Mylar plates. The surface mode was seen as a new peak in the cw NMR spectrum measured at H0=284 Oe. Rotation of the sample, with Ω orthogonal to the gaps, increased the spectral weight of the surface mode, indicating an increase in the textural boundary layers caused by a counterflow-induced transition. This phenomenon was used to study vortex creation and persistent currents.Description
Keywords
vortices, surface modes, spin-wave modes
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Citation
Hakonen, Pertti J. & Nummila, K. K. & Simola, J. T. & Skrbek, L. & Mamniashvili, G. 1987. Surface spin waves in 3He-A, a probe for vortex phenomena in narrow gaps. Physical Review Letters. Volume 58, Issue 7. 678-681. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.58.678