Corpus ID: 92151671

Superglass Dynamics Of Solid Helium

@inproceedings{Pratt2010SuperglassDO,
  title={Superglass Dynamics Of Solid Helium},
  author={Ethan Pratt},
  year={2010}
}
1 Citations

References

SHOWING 1-10 OF 83 REFERENCES
Probable observation of a supersolid helium phase
TLDR
Torsional oscillator measurements on solid helium confined in a porous medium find an abrupt drop in the rotational inertia of the confined solid below a certain critical temperature and show that all three states of matter—gas, liquid and solid—can undergo Bose–Einstein condensation. Expand
Study of the Superfluid Transition in Two-Dimensional He-4 Films
We have studied the superfluid transition of a thin two-dimensional helium film adsorbed on an oscillating substrate. The superfluid mass and dissipation when analyzed in terms of the dynamic theoryExpand
CAN A SOLID BE SUPERFLUID.
Bose–Einstein condensation in a decorated lattice: an application to the problem of supersolid He
The Bose–Einstein condensation of vacancies in a three-dimensional decorated lattice is considered. The model describes possible scenario of superfluidity of solid helium, caused by the presence ofExpand
Low-temperature shear modulus changes in solid 4He and connection to supersolidity
TLDR
A measurement of the shear modulus of solid 4He at low frequencies and strains is reported, to explain this unusual elastic behaviour in terms of a dislocation network that is pinned by 3He at the lowest temperatures but becomes mobile above 100 mK. Expand
Origin of the decrease in the torsional-oscillator period of solid [sup 4]he
  • Physical Review B (Condensed Matter and Materials Physics), 76(1):014530
  • 2007
Oscillation frequency dependence of nonclassical rotation inertia of solid 4He.
TLDR
The nonclassical rotational inertia fraction of the identical cylindrical solid 4He below 300 mK is studied by a double resonance torsional oscillator and shows that the reduction is characterized by critical velocity, not amplitude or acceleration. Expand
Observation of classical rotational inertia and nonclassical supersolid signals in solid 4He below 250 mK.
TLDR
The nonclassical rotational inertia signal is not a universal property of solid 4He but can be eliminated through an annealing of the solid helium sample, which has important implications for the understanding of the supersolid state. Expand
Effective temperatures of a driven system near jamming.
TLDR
Fluctuations in a model of a sheared, zero-temperature foam are studied numerically and results imply that statistical mechanics is useful for the system even though it is far from thermal equilibrium. Expand
Kosterlitz-Thouless transition in helium films.
TLDR
A detailed analysis of the background indicates that the initial nonsuperfluid layer has an unexpected temperature-dependent period shift and dissipation. Expand
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