Stabilized entanglement of massive mechanical oscillators

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Stabilized entanglement of massive mechanical oscillators. / Ockeloen-Korppi, C. F.; Damskägg, E.; Pirkkalainen, J. M.; Asjad, M.; Clerk, A. A.; Massel, F.; Woolley, M. J.; Sillanpää, M. A.

In: Nature, Vol. 556, 26.04.2018, p. 478-482.

Research output: Contribution to journalArticle

Harvard

Ockeloen-Korppi, CF, Damskägg, E, Pirkkalainen, JM, Asjad, M, Clerk, AA, Massel, F, Woolley, MJ & Sillanpää, MA 2018, 'Stabilized entanglement of massive mechanical oscillators', Nature, vol. 556, pp. 478-482. https://doi.org/10.1038/s41586-018-0038-x

APA

Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J. M., Asjad, M., Clerk, A. A., Massel, F., ... Sillanpää, M. A. (2018). Stabilized entanglement of massive mechanical oscillators. Nature, 556, 478-482. https://doi.org/10.1038/s41586-018-0038-x

Vancouver

Ockeloen-Korppi CF, Damskägg E, Pirkkalainen JM, Asjad M, Clerk AA, Massel F et al. Stabilized entanglement of massive mechanical oscillators. Nature. 2018 Apr 26;556:478-482. https://doi.org/10.1038/s41586-018-0038-x

Author

Ockeloen-Korppi, C. F. ; Damskägg, E. ; Pirkkalainen, J. M. ; Asjad, M. ; Clerk, A. A. ; Massel, F. ; Woolley, M. J. ; Sillanpää, M. A. / Stabilized entanglement of massive mechanical oscillators. In: Nature. 2018 ; Vol. 556. pp. 478-482.

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@article{aa3877984a5c4527b7ce6e054d587b3a,
title = "Stabilized entanglement of massive mechanical oscillators",
abstract = "Quantum entanglement is a phenomenon whereby systems cannot be described independently of each other, even though they may be separated by an arbitrarily large distance 1 . 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 photons 2-5, ions 6 and electron spins 7, and more recently in microwave and electromechanical devices 8-10 . For macroscopic-scale objects 8-14, 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 10 12 atoms, coupled to a microwave-frequency electromagnetic cavity that is used to create and stabilize the entanglement of their centre-of-mass motion 15-17 . 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.",
author = "Ockeloen-Korppi, {C. F.} and E. Damsk{\"a}gg and Pirkkalainen, {J. M.} and M. Asjad and Clerk, {A. A.} and F. Massel and Woolley, {M. J.} and Sillanp{\"a}{\"a}, {M. A.}",
note = "| openaire: EC/H2020/732894/EU//HOT",
year = "2018",
month = "4",
day = "26",
doi = "10.1038/s41586-018-0038-x",
language = "English",
volume = "556",
pages = "478--482",
journal = "Nature",
issn = "0028-0836",
publisher = "Nature Publishing Group",

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RIS - Download

TY - JOUR

T1 - Stabilized entanglement of massive mechanical oscillators

AU - Ockeloen-Korppi, C. F.

AU - Damskägg, E.

AU - Pirkkalainen, J. M.

AU - Asjad, M.

AU - Clerk, A. A.

AU - Massel, F.

AU - Woolley, M. J.

AU - Sillanpää, M. A.

N1 - | openaire: EC/H2020/732894/EU//HOT

PY - 2018/4/26

Y1 - 2018/4/26

N2 - Quantum entanglement is a phenomenon whereby systems cannot be described independently of each other, even though they may be separated by an arbitrarily large distance 1 . 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 photons 2-5, ions 6 and electron spins 7, and more recently in microwave and electromechanical devices 8-10 . For macroscopic-scale objects 8-14, 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 10 12 atoms, coupled to a microwave-frequency electromagnetic cavity that is used to create and stabilize the entanglement of their centre-of-mass motion 15-17 . 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.

AB - Quantum entanglement is a phenomenon whereby systems cannot be described independently of each other, even though they may be separated by an arbitrarily large distance 1 . 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 photons 2-5, ions 6 and electron spins 7, and more recently in microwave and electromechanical devices 8-10 . For macroscopic-scale objects 8-14, 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 10 12 atoms, coupled to a microwave-frequency electromagnetic cavity that is used to create and stabilize the entanglement of their centre-of-mass motion 15-17 . 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.

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U2 - 10.1038/s41586-018-0038-x

DO - 10.1038/s41586-018-0038-x

M3 - Article

VL - 556

SP - 478

EP - 482

JO - Nature

JF - Nature

SN - 0028-0836

ER -

ID: 19314151