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Trapped Ion Quantum Computing Superconducting Qubits

Superfluid Optomechanics: Coupling of a Superfluid to a Superconducting Condensate

arXiv
Authors: L. A. DeLorenzo, K. C. Schwab

Year

2013

Paper ID

33286

Status

Preprint

Abstract Read

~2 min

Abstract Words

106

Citations

N/A

Abstract

We investigate the low loss acoustic motion of superfluid 4He parametrically coupled to a very low loss, superconducting Nb, TE011 microwave resonator, forming a gram-scale, sideband resolved, optomechanical system. We demonstrate the detection of a series of acoustic modes with quality factors as high as 7cdot 106. At higher temperatures, the lowest dissipation modes are limited by an intrinsic three phonon process. Acoustic quality factors approaching 1011 may be possible in isotopically purified samples at temperatures below 10 mK. A system of this type may be utilized to study macroscopic quantized motion and as an ultra-sensitive sensor of extremely weak displacements and forces, such as continuous gravity wave sources.

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  • We investigate the low loss acoustic motion of superfluid ^4He parametrically coupled to a very low loss, superconducting Nb, TE011 microwave resonator, forming a gram-scale...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1308.2164 [2] arXiv https://arxiv.org/abs/1308.2164 [3] Publisher https://arxiv.org/abs/1308.2164

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