Orbitropic Effect in Superfluid 3He B-phase Boundaries

Arrayas, M. and Haley, Richard Peter and Pickett, George Richard and Zmeev, Dmitriy (2018) Orbitropic Effect in Superfluid 3He B-phase Boundaries. Scientific Reports, 8. p. 13965. ISSN 2045-2322

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In this work, we study the influence of orbital viscosity on the evolution of the order-parameter and texture in the B phase of superfluid 3He near a moving boundary. From the redistribution of thermal quasiparticles within the texture, we develop a model which confers a substantial effective mass on the interface, and provides a new mechanism for friction as the boundary moves. We have tested the model against existing data for the motion of an A-B interface whose motion was controlled by a magnetic field. The model allows us to make predictions for the behaviour in experimental situations which involve texture rearrangement arising from motion of the B-phase boundary.

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Journal Article
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Scientific Reports
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16 Aug 2018 08:42
Last Modified:
20 Sep 2023 01:14