Vortex Core Contribution to Textural Energy in He-3-B Below 0.4T (c)

Eltsov, V. B. and de Graaf, R. and Krusius, M. and Zmeev, D. E. (2011) Vortex Core Contribution to Textural Energy in He-3-B Below 0.4T (c). Journal of Low Temperature Physics, 162 (3-4). pp. 212-225. ISSN 0022-2291

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Abstract

Vortex lines affect the spatial order-parameter distribution in superfluid He-3-B owing to superflow circulating around vortex cores and due to the interaction of the order parameter in the core and in the bulk as a result of superfluid coherence over the whole volume. The step-like change of the latter contribution at 0.6T (c) (at a pressure of 29 bar) signifies the transition from axisymmetric cores at higher temperatures to broken-symmetry cores at lower temperatures. We extended earlier measurements of the core contribution to temperatures below 0.2T (c), in particular searching for a possible new core transition to lower symmetries. As a measuring tool we track the energy levels of magnon condensate states in a trap formed by the order-parameter texture.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Low Temperature Physics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
88289
Deposited By:
Deposited On:
16 Oct 2017 15:14
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Sep 2020 03:46