Abstract
Superfluid 3He A-like and B-like phases in 98% aerogel under rotation up to 2π rad/sec have been studied by cw-NMR and Homogeneous Precessing Domain (HPD) NMR at 29 mT and 3.0 MPa. In the A-like phase, a large negative frequency shift was observed in the cw-NMR spectrum and no effect of rotation on the spectrum was found. In the B-like phase, the spin wave spectrum was observed when the sample was cooled through T c under rotation and was affected by the counter flow due to the trapped vortices. The HPD was excited in a part of the aerogel sample but introduction of vortices into the sample by rotation or trapped vortices destroyed the HPD.
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Kunimatsu, T., Izumina, K., Sato, T. et al. Textures of Superfluid 3He A-like and B-like Phases in Aerogel under Rotation. J Low Temp Phys 148, 591–596 (2007). https://doi.org/10.1007/s10909-007-9472-0
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DOI: https://doi.org/10.1007/s10909-007-9472-0