Fermi Liquid in a Torsional Oscillator

Virtanen, Timo; Thuneberg, E. V.

doi:10.1088/1742-6596/400/1/012074

Cited by 1 publication

(2 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Second, the behavior in a finite layer is much more diverse than in the thick layer limit. An indication of this is already given in the torsional oscillator calculations 12 . Third, the experiments by Casey et al 13 and Dimov et al 14 show unexpected decoupling of the liquid from the substrate.…”

Section: Introductionmentioning

confidence: 59%

“…Second, the behavior in a finite layer is much more diverse than in the thick layer limit. An indication of this is already given in the torsional oscillator calculations 12 15 , and therefore we wanted to check if these have an effect. Fourth, we were interested to check if finite thickness effects could have affected previous experiments, and to predict the outcome of possible future experiments.…”

Section: Introductionmentioning

confidence: 87%

See 1 more Smart Citation

Fermi liquid theory applied to a film on an oscillating substrate

2016

View full text Add to dashboard Cite

We have studied the transmission of transverse oscillations through a thin Fermi liquid film, using Landau's Fermi liquid theory. Fermi liquid theory describes the dynamics of interacting, degenerate fermion systems, for example non-superfluid, i.e.\ normal state \textsuperscript{3}He at millikelvin temperatures. The response of a Fermi liquid to the transverse oscillations of a planar substrate has previously been calculated for a fluid layer of infinite thickness. We have modified these calculations for application to a film of finite thickness, either with a free surface, or as confined between two parallel substrates. The equations take into account contributions to the acoustic impedance from both the collective transverse zero sound mode, as well as the incoherent single-quasiparticle excitations and are solved using numerical methods.Comment: 11 pages, 8 figures. Updated to published version. Changes in presentation, no change in result

show abstract

Section: Introductionmentioning

confidence: 59%

Section: Introductionmentioning

confidence: 87%