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The dynamic texture of superfluid He-3-B at very low temperatures and in high magnetic fields.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>02/2005
<mark>Journal</mark>Journal of Low Temperature Physics
Number of pages6
<mark>Original language</mark>English


We report experiments using a pair of crossed vibrating Wire resonators (VWRs) in the B phase of superfluid He-3 in the zero temperature ballistic limit and in magnetic fields up to the B to A phase transition field of 340 mT. The VWRs are sensitive mechanical probes of energy gaps, textures and turbulent flow. In high magnetic fields the energy gap is no longer isotropic but significantly distorted, and the damping measured by the VWRs increases. With the crossed pair, we find that we can reduce the damping measured by one VWR when we increase the drive on the other one. We suggest that the reduction arises from the orientation of the surrounding texture by superflow and the screening of quasiparticles by the creation of superfluid turbulence.