Dissipation peak as an indicator of inhomogeneity in solid He4 oscillator experiments

David A. Huse; Zuhair U. Khandker

doi:10.1103/PhysRevB.75.212504

Dissipation peak as an indicator of inhomogeneity in solid He4 oscillator experiments

David A. Huse, Zuhair U. Khandker

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Abstract

A simple phenomenological model is developed for the recent torsional oscillator experiments on solid He4. Within this model, for a homogeneous sample, there is a specific quantitative relation between the change in the oscillator's frequency and its maximum damping at the apparent supersolid transition. Much of the published data do not satisfy this relation, suggesting that the dissipation peaks in those samples are strongly inhomogeneously broadened.

Original language	English (US)
Article number	212504
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	75
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.75.212504
State	Published - Jun 14 2007

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.75.212504

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abstract = "A simple phenomenological model is developed for the recent torsional oscillator experiments on solid He4. Within this model, for a homogeneous sample, there is a specific quantitative relation between the change in the oscillator's frequency and its maximum damping at the apparent supersolid transition. Much of the published data do not satisfy this relation, suggesting that the dissipation peaks in those samples are strongly inhomogeneously broadened.",

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Dissipation peak as an indicator of inhomogeneity in solid He4 oscillator experiments

Abstract

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