Stability of the vortex lattice in a rotating superfluid
- 1 May 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 51 (17) , 11697-11703
- https://doi.org/10.1103/physrevb.51.11697
Abstract
We analyze the stability of the vortex lattice in a rotating superfluid against thermal fluctuations associated with the long-wavelength Tkachenko modes of the lattice. Inclusion of only the two-dimensional modes leads formally to instability in infinite lattices; however, when the full three-dimensional spectrum of modes is taken into account, the thermally-induced lattice displacements are indeed finite.Keywords
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