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Ultrastrong coupling between electron tunneling and mechanical motion

Abstract:

The ultrastrong coupling of single-electron tunneling and nanomechanical motion opens exciting opportunities to explore fundamental questions and develop new platforms for quantum technologies. We have measured and modeled this electromechanical coupling in a fully suspended carbon nanotube device and report a ratio of gm/ωm=2.72±0.14, where gm/2π=0.80±0.04GHz is the coupling strength and ωm/2π=294.5MHz is the mechanical resonance frequency. This is well within the ultrastrong coupling regime...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevResearch.4.043168

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Role:
Author
ORCID:
0000-0002-7557-4493
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Role:
Author
ORCID:
0000-0002-4965-6794
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Role:
Author
ORCID:
0000-0001-8706-6886
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Role:
Author
ORCID:
0000-0001-9985-9293
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Role:
Author
ORCID:
0000-0002-1978-690X
Publisher:
American Physical Society
Journal:
Physical Review Research More from this journal
Volume:
4
Issue:
4
Article number:
043168
Publication date:
2022-12-07
Acceptance date:
2022-09-16
DOI:
ISSN:
2643-1564
Language:
English
Keywords:
Pubs id:
1317878
Local pid:
pubs:1317878
Deposit date:
2023-01-06

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