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Operating Nanobeams in a Quantum Fluid

Microelectromechanical (MEMS) and nanoelectromechanical systems (NEMS) are ideal candidates for exploring quantum fluids, since they can be manufactured reproducibly, cover the frequency range from hundreds of kilohertz up to gigahertz and usually have very low power dissipation. Their small size of...

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Autores principales: Bradley, D. I., George, R., Guénault, A. M., Haley, R. P., Kafanov, S., Noble, M. T., Pashkin, Yu. A., Pickett, G. R., Poole, M., Prance, J. R., Sarsby, M., Schanen, R., Tsepelin, V., Wilcox, T., Zmeev, D. E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5501785/
https://www.ncbi.nlm.nih.gov/pubmed/28687797
http://dx.doi.org/10.1038/s41598-017-04842-y
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author Bradley, D. I.
George, R.
Guénault, A. M.
Haley, R. P.
Kafanov, S.
Noble, M. T.
Pashkin, Yu. A.
Pickett, G. R.
Poole, M.
Prance, J. R.
Sarsby, M.
Schanen, R.
Tsepelin, V.
Wilcox, T.
Zmeev, D. E.
author_facet Bradley, D. I.
George, R.
Guénault, A. M.
Haley, R. P.
Kafanov, S.
Noble, M. T.
Pashkin, Yu. A.
Pickett, G. R.
Poole, M.
Prance, J. R.
Sarsby, M.
Schanen, R.
Tsepelin, V.
Wilcox, T.
Zmeev, D. E.
author_sort Bradley, D. I.
collection PubMed
description Microelectromechanical (MEMS) and nanoelectromechanical systems (NEMS) are ideal candidates for exploring quantum fluids, since they can be manufactured reproducibly, cover the frequency range from hundreds of kilohertz up to gigahertz and usually have very low power dissipation. Their small size offers the possibility of probing the superfluid on scales comparable to, and below, the coherence length. That said, there have been hitherto no successful measurements of NEMS resonators in the liquid phases of helium. Here we report the operation of doubly-clamped aluminium nanobeams in superfluid (4)He at temperatures spanning the superfluid transition. The devices are shown to be very sensitive detectors of the superfluid density and the normal fluid damping. However, a further and very important outcome of this work is the knowledge that now we have demonstrated that these devices can be successfully operated in superfluid (4)He, it is straightforward to apply them in superfluid (3)He which can be routinely cooled to below 100 μK. This brings us into the regime where nanomechanical devices operating at a few MHz frequencies may enter their mechanical quantum ground state.
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spelling pubmed-55017852017-07-10 Operating Nanobeams in a Quantum Fluid Bradley, D. I. George, R. Guénault, A. M. Haley, R. P. Kafanov, S. Noble, M. T. Pashkin, Yu. A. Pickett, G. R. Poole, M. Prance, J. R. Sarsby, M. Schanen, R. Tsepelin, V. Wilcox, T. Zmeev, D. E. Sci Rep Article Microelectromechanical (MEMS) and nanoelectromechanical systems (NEMS) are ideal candidates for exploring quantum fluids, since they can be manufactured reproducibly, cover the frequency range from hundreds of kilohertz up to gigahertz and usually have very low power dissipation. Their small size offers the possibility of probing the superfluid on scales comparable to, and below, the coherence length. That said, there have been hitherto no successful measurements of NEMS resonators in the liquid phases of helium. Here we report the operation of doubly-clamped aluminium nanobeams in superfluid (4)He at temperatures spanning the superfluid transition. The devices are shown to be very sensitive detectors of the superfluid density and the normal fluid damping. However, a further and very important outcome of this work is the knowledge that now we have demonstrated that these devices can be successfully operated in superfluid (4)He, it is straightforward to apply them in superfluid (3)He which can be routinely cooled to below 100 μK. This brings us into the regime where nanomechanical devices operating at a few MHz frequencies may enter their mechanical quantum ground state. Nature Publishing Group UK 2017-07-07 /pmc/articles/PMC5501785/ /pubmed/28687797 http://dx.doi.org/10.1038/s41598-017-04842-y Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Bradley, D. I.
George, R.
Guénault, A. M.
Haley, R. P.
Kafanov, S.
Noble, M. T.
Pashkin, Yu. A.
Pickett, G. R.
Poole, M.
Prance, J. R.
Sarsby, M.
Schanen, R.
Tsepelin, V.
Wilcox, T.
Zmeev, D. E.
Operating Nanobeams in a Quantum Fluid
title Operating Nanobeams in a Quantum Fluid
title_full Operating Nanobeams in a Quantum Fluid
title_fullStr Operating Nanobeams in a Quantum Fluid
title_full_unstemmed Operating Nanobeams in a Quantum Fluid
title_short Operating Nanobeams in a Quantum Fluid
title_sort operating nanobeams in a quantum fluid
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5501785/
https://www.ncbi.nlm.nih.gov/pubmed/28687797
http://dx.doi.org/10.1038/s41598-017-04842-y
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