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Stability of a half-quantum vortex in rotating superfluid He 3 - A between parallel plates

Stability of a half-quantum vortex in rotating superfluid He 3 - A between parallel plates We have found the precise stability region of the half quantum vortex (HQV) for superfluid H 3 e - A phase confined in parallel plates with a narrow gap under rotation. Standard Ginzburg-Landau free energy, which is well established, is solved to locate the stability region spanned by temperature T and rotation speed ( Ω ) . This Ω - T stability region is wide enough to check it experimentally in available experimental setup. The detailed order-parameter structure of HQV characterized by A 1 core is given to facilitate the physical reasons of its stability over other vortices or textures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Stability of a half-quantum vortex in rotating superfluid He 3 - A between parallel plates

Physical Review B , Volume 79 (9) – Mar 1, 2009
4 pages

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References (30)

Publisher
American Physical Society (APS)
Copyright
Copyright © 2009 The American Physical Society
ISSN
1550-235X
DOI
10.1103/PhysRevB.79.092506
Publisher site
See Article on Publisher Site

Abstract

We have found the precise stability region of the half quantum vortex (HQV) for superfluid H 3 e - A phase confined in parallel plates with a narrow gap under rotation. Standard Ginzburg-Landau free energy, which is well established, is solved to locate the stability region spanned by temperature T and rotation speed ( Ω ) . This Ω - T stability region is wide enough to check it experimentally in available experimental setup. The detailed order-parameter structure of HQV characterized by A 1 core is given to facilitate the physical reasons of its stability over other vortices or textures.

Journal

Physical Review BAmerican Physical Society (APS)

Published: Mar 1, 2009

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