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- Title
Textures of Rotating Superfluid He-A in a Single Narrow Cylinder.
- Authors
Kunimatsu, T.; Nema, H.; Ishiguro, R.; Kubota, M.; Takagi, T.; Sasaki, Y.; Ishikawa, O.
- Abstract
We have studied textures of the rotating superfluid He-A in a single narrow cylinder by NMR measurement. In a narrow cylinder, the characteristic textures such as Mermin-Ho texture (Mermin and Ho in Phys. Rev. Lett. 36:594, ) can be formed in order to minimize the free energy of the system determined by the effect of the wall, the magnetic field, the dipole interaction, the flow of the superfluid and so on. We observed three types of NMR absorption spectra dependent on the processes used to form A-phase in a narrow cylinder. A particular texture shows a characteristic spectrum and we can determine the texture from the observed spectrum by comparing the resonance frequency of the peak in NMR spectrum with the calculated one of the spin wave mode. We present the identification and the phase diagram of textures of the rotating superfluid He-A in a single narrow cylinder.
- Subjects
HELIUM; METALS; CRYSTAL texture; SUPERFLUIDITY; ROTATING fluid; NUCLEAR magnetic resonance spectroscopy; DIPOLE interactions; MAGNETIC fields
- Publication
Journal of Low Temperature Physics, 2013, Vol 171, Issue 3/4, p280
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-012-0787-0