Phase diagram of vortices in superfluid 3He-A

Ü. Parts; J. Karimäki; J. Koivuniemi; M. Krusius; V. Ruutu; E. Thuneberg; G. Volovik

doi:10.1103/PhysRevLett.75.3320

Phase diagram of vortices in superfluid 3He-A

Ü. Parts, J. Karimäki, J. Koivuniemi, M. Krusius, V. Ruutu, E. Thuneberg, G. Volovik

Department of Neuroscience and Biomedical Engineering

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Abstract

Four alternative but topologically different structures of vorticity exist in rotating 3He−A. As a function of magnetic field ( H) and rotation velocity (Ω), we identify with NMR the type of vortex which is nucleated during cooling from the normal to the superfluid phase. The measurements are compared to the calculated equilibrium phase diagram of vortices in the H−Ω plane at temperatures T≲Tc. Slow transitions are found to reproduce the calculated equilibrium state.

Original language	English
Pages (from-to)	3320-3323
Journal	Physical Review Letters
Volume	75
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.75.3320
Publication status	Published - 1995
MoE publication type	A1 Journal article-refereed

Keywords

phase transitions
quantized vortex lines
superfluid 3He

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10.1103/PhysRevLett.75.3320

PhysRevLett.75.3320Final published version, 282 KB

Cite this

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title = "Phase diagram of vortices in superfluid 3He-A",

abstract = "Four alternative but topologically different structures of vorticity exist in rotating 3He−A. As a function of magnetic field ( H) and rotation velocity (Ω), we identify with NMR the type of vortex which is nucleated during cooling from the normal to the superfluid phase. The measurements are compared to the calculated equilibrium phase diagram of vortices in the H−Ω plane at temperatures T≲Tc. Slow transitions are found to reproduce the calculated equilibrium state.",

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year = "1995",

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T1 - Phase diagram of vortices in superfluid 3He-A

AU - Parts, Ü.

AU - Karimäki, J.

AU - Koivuniemi, J.

AU - Krusius, M.

AU - Ruutu, V.

AU - Thuneberg, E.

AU - Volovik, G.

PY - 1995

Y1 - 1995

N2 - Four alternative but topologically different structures of vorticity exist in rotating 3He−A. As a function of magnetic field ( H) and rotation velocity (Ω), we identify with NMR the type of vortex which is nucleated during cooling from the normal to the superfluid phase. The measurements are compared to the calculated equilibrium phase diagram of vortices in the H−Ω plane at temperatures T≲Tc. Slow transitions are found to reproduce the calculated equilibrium state.

AB - Four alternative but topologically different structures of vorticity exist in rotating 3He−A. As a function of magnetic field ( H) and rotation velocity (Ω), we identify with NMR the type of vortex which is nucleated during cooling from the normal to the superfluid phase. The measurements are compared to the calculated equilibrium phase diagram of vortices in the H−Ω plane at temperatures T≲Tc. Slow transitions are found to reproduce the calculated equilibrium state.

KW - phase transitions

KW - quantized vortex lines

KW - superfluid 3He

KW - phase transitions

KW - quantized vortex lines

KW - superfluid 3He

KW - phase transitions

KW - quantized vortex lines

KW - superfluid 3He

U2 - 10.1103/PhysRevLett.75.3320

DO - 10.1103/PhysRevLett.75.3320

M3 - Article

SN - 1079-7114

SN - 1092-0145

VL - 75

SP - 3320

EP - 3323

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

ER -

Phase diagram of vortices in superfluid 3He-A

Abstract

Keywords

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