The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Stabilized entanglement of massive mechanical oscillators
Open accessAbstract
Quantum entanglement is a phenomenon whereby systems cannot be described independently of each other, even though they may be separated by an arbitrarily large distance1. Entanglement has a solid theoretical and experimental foundation and is the key resource behind many emerging quantum technologies, including quantum computation, cryptography and metrology. Entanglement has been demonstrated for microscopic-scale systems, such as those involving photons2–5, ions6 and electron spins7, and more recently in microwave and electromechanical devices8–10. For macroscopic-scale objects8–14, however, it is very vulnerable to environmental disturbances, and the creation and verification of entanglement of the centre-of-mass motion of macroscopic-scale objects remains an outstanding goal. Here we report such an experimental demonstration, with the moving bodies being two massive micromechanical oscillators, each composed of about 1012 atoms, coupled to a microwave-frequency electromagnetic cavity that is used to create and stabilize the entanglement of their centre-of-mass motion15–17. We infer the existence of entanglement in the steady state by combining measurements of correlated mechanical fluctuations with an analysis of the microwaves emitted from the cavity. Our work qualitatively extends the range of entangled physical systems and has implications for quantum information processing, precision measurements and tests of the limits of quantum mechanics. Quantum entanglement is demonstrated in a system of massive micromechanical oscillators coupled to a microwave-frequency electromagnetic cavity by driving the devices into a steady state that is entangled.
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Cites
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Sideband cooling of micromechanical motion to the quantum ground state
Teufel, J. D., Donner, T., Li, D., Harlow, J. W., Allman, M. S., Cicak, K., Sirois, A. J., Whittaker, J. D., Lehnert, K. W., & Simmonds, R. W. (2011) · Nature · doi:10.1038/nature10261 · Cited by 2,089
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Optomechanics for quantum technologies
Barzanjeh, S., Xuereb, A., Gröblacher, S., Paternostro, M., Regal, C. A., & Weig, E. M. (2022) · Nature Physics · doi:10.1038/s41567-021-01402-0 · Cited by 348
Creation and control of multi-phonon Fock states in a bulk acoustic-wave resonator
Chu, Y., Kharel, P., Yoon, T., Frunzio, L., Rakich, P. T., & Schoelkopf, R. J. (2018) · Nature · doi:10.1038/s41586-018-0717-7 · Cited by 308
Microwave-to-optics conversion using a mechanical oscillator in its quantum ground state
Forsch, M., Stockill, R., Wallucks, A., Marinković, I., Gärtner, C., Norte, R. A., van Otten, F., Fiore, A., Srinivasan, K., & Gröblacher, S. (2020) · Nature Physics · doi:10.1038/s41567-019-0673-7 · Cited by 276
Ground-state cooling of mechanical resonators by quantum reservoir engineering
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Metadata
- Authors
- Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J.-M., Asjad, M., Clerk, A. A., Massel, F., Woolley, M. J., & Sillanpää, M. A.
- Venue
- Nature
- Published
- 2018-04
- Volume
- 556
- Issue
- 7702
- Pages
- 478-482
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2767661975
- Cited by
- 592
- References
- 35
- FWCI
- 31.90
- Type
- journal article
- Language
- en
- Open access
- green
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- Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J.-M., Asjad, M., Clerk, A. A., Massel, F., Woolley, M. J., & Sillanpää, M. A. (2018). Stabilized entanglement of massive mechanical oscillators. Nature. https://doi.org/10.1038/s41586-018-0038-x
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