Stable spin precession at one half of equilibrium magnetization in superfluid 3He-B

V.V. Dmitriev; I.V. Kosarev; M. Krusius; D.V. Ponarin; V.M.H. Ruutu; G.E. Volovik

doi:10.1103/PhysRevLett.78.86

Stable spin precession at one half of equilibrium magnetization in superfluid 3He-B

V.V. Dmitriev, I.V. Kosarev, M. Krusius, D.V. Ponarin, V.M.H. Ruutu, G.E. Volovik

Department of Neuroscience and Biomedical Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

New modes of spin precession have been observed in superfluid 3He−B with a precessing magnetization M=pMeq, where p=1, 12, and ≈0. These dynamic order parameter states are the first examples of stable precession with a magnetization different from the equilibrium value Meq. The p=12 mode is the second example of a phase-coherent state of a spin superfluid. The new states can be excited close to Tc in the range 1−T/Tc≲0.02 where dissipation is low and the energy barriers between the different local minima of the spin-orbit energy are small.

Original language	English
Pages (from-to)	86-89
Journal	Physical Review Letters
Volume	78
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.78.86
Publication status	Published - 1997
MoE publication type	A1 Journal article-refereed

Keywords

nuclear magnetic resonance
spin superfluidity
superfluid 3He

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title = "Stable spin precession at one half of equilibrium magnetization in superfluid 3He-B",

abstract = "New modes of spin precession have been observed in superfluid 3He−B with a precessing magnetization M=pMeq, where p=1, 12, and ≈0. These dynamic order parameter states are the first examples of stable precession with a magnetization different from the equilibrium value Meq. The p=12 mode is the second example of a phase-coherent state of a spin superfluid. The new states can be excited close to Tc in the range 1−T/Tc≲0.02 where dissipation is low and the energy barriers between the different local minima of the spin-orbit energy are small.",

keywords = "nuclear magnetic resonance, spin superfluidity, superfluid 3He, nuclear magnetic resonance, spin superfluidity, superfluid 3He, nuclear magnetic resonance, spin superfluidity, superfluid 3He",

author = "V.V. Dmitriev and I.V. Kosarev and M. Krusius and D.V. Ponarin and V.M.H. Ruutu and G.E. Volovik",

year = "1997",

doi = "10.1103/PhysRevLett.78.86",

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AU - Dmitriev, V.V.

AU - Kosarev, I.V.

AU - Krusius, M.

AU - Ponarin, D.V.

AU - Ruutu, V.M.H.

AU - Volovik, G.E.

PY - 1997

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AB - New modes of spin precession have been observed in superfluid 3He−B with a precessing magnetization M=pMeq, where p=1, 12, and ≈0. These dynamic order parameter states are the first examples of stable precession with a magnetization different from the equilibrium value Meq. The p=12 mode is the second example of a phase-coherent state of a spin superfluid. The new states can be excited close to Tc in the range 1−T/Tc≲0.02 where dissipation is low and the energy barriers between the different local minima of the spin-orbit energy are small.

KW - nuclear magnetic resonance, spin superfluidity, superfluid 3He

KW - nuclear magnetic resonance

KW - spin superfluidity

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