Textures in slowly rotatingHe3-A
- 1 July 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 20 (1), 169-176
- https://doi.org/10.1103/physrevb.20.169
Abstract
The free energy of rotating - in zero magnetic field and large cylinders ( μm) is calculated for several textural configurations at slow rotation speeds (). The sequence of equilibrium states with increasing is studied near . A transition from the Mermin-Ho state to one of higher circulation should occur for . This transition may be delayed, however, by the onset of azimuthal distortion ("swirl") in the Mermin-Ho state. A new experimental method is proposed for studying various textural configurations, based on the anistropy of negative-ion mobility. Significant and characteristic focusing should occur when ions are swept through long cylinders of length . In addition, time-of-flight information can also help identify the textural state. Finally, the qualitative effects of weak magnetic fields and lower temperatures are discussed.
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