Tkachenko waves in rotating superfluid helium

C. D. Andereck; J. Chalups; W. I. Glaberson

doi:10.1103/PhysRevLett.44.33

Tkachenko waves in rotating superfluid helium

C. D. Andereck^*
, J. Chalups
, W. I. Glaberson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The resonant response of a stack of disks driven into torsional oscillation within a container of rotating superfluid helium has been observed. It is shown that the oscillation modes excited are related to Tkachenko waves, that is, vortex displacement waves in the vortex array propagating in a direction transverse to the vortex lines. In particular, the resonances occur at peaks in the vortex-wave density of states.

Original language	English
Pages (from-to)	33-36
Number of pages	4
Journal	Physical Review Letters
Volume	44
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.44.33
State	Published - 1980
Externally published	Yes

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10.1103/PhysRevLett.44.33

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title = "Tkachenko waves in rotating superfluid helium",

abstract = "The resonant response of a stack of disks driven into torsional oscillation within a container of rotating superfluid helium has been observed. It is shown that the oscillation modes excited are related to Tkachenko waves, that is, vortex displacement waves in the vortex array propagating in a direction transverse to the vortex lines. In particular, the resonances occur at peaks in the vortex-wave density of states.",

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AB - The resonant response of a stack of disks driven into torsional oscillation within a container of rotating superfluid helium has been observed. It is shown that the oscillation modes excited are related to Tkachenko waves, that is, vortex displacement waves in the vortex array propagating in a direction transverse to the vortex lines. In particular, the resonances occur at peaks in the vortex-wave density of states.

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Tkachenko waves in rotating superfluid helium

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