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Opening up three quantum boxes causes classically undetectable wavefunction collapse

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Opening up three quantum boxes causes classically undetectable wavefunction collapse. / George, Richard; Robledo, Lucio; Maroney, Owen; Blok, Machiel; Bernien, Hannes; Markham, Matthew; Twitchen, Daniel; Morton, John; Briggs, Andrew; Hanson, Ronald.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 110, No. 10, 05.03.2013, p. 3777-3781.

Research output: Contribution to journalJournal articlepeer-review

Harvard

George, R, Robledo, L, Maroney, O, Blok, M, Bernien, H, Markham, M, Twitchen, D, Morton, J, Briggs, A & Hanson, R 2013, 'Opening up three quantum boxes causes classically undetectable wavefunction collapse', Proceedings of the National Academy of Sciences of the United States of America, vol. 110, no. 10, pp. 3777-3781. https://doi.org/10.1073/pnas.1208374110

APA

George, R., Robledo, L., Maroney, O., Blok, M., Bernien, H., Markham, M., Twitchen, D., Morton, J., Briggs, A., & Hanson, R. (2013). Opening up three quantum boxes causes classically undetectable wavefunction collapse. Proceedings of the National Academy of Sciences of the United States of America, 110(10), 3777-3781. https://doi.org/10.1073/pnas.1208374110

Vancouver

George R, Robledo L, Maroney O, Blok M, Bernien H, Markham M et al. Opening up three quantum boxes causes classically undetectable wavefunction collapse. Proceedings of the National Academy of Sciences of the United States of America. 2013 Mar 5;110(10):3777-3781. https://doi.org/10.1073/pnas.1208374110

Author

George, Richard ; Robledo, Lucio ; Maroney, Owen ; Blok, Machiel ; Bernien, Hannes ; Markham, Matthew ; Twitchen, Daniel ; Morton, John ; Briggs, Andrew ; Hanson, Ronald. / Opening up three quantum boxes causes classically undetectable wavefunction collapse. In: Proceedings of the National Academy of Sciences of the United States of America. 2013 ; Vol. 110, No. 10. pp. 3777-3781.

Bibtex

@article{1b5f392fd2ab4891bcc151fb9979d865,
title = "Opening up three quantum boxes causes classically undetectable wavefunction collapse",
abstract = "One of the most striking features of quantum mechanics is the profound effect exerted by measurements alone. Sophisticated quantum control is now available in several experimental systems, exposing discrepancies between quantum and classical mechanics whenever measurement induces disturbance of the interrogated system. In practice, such discrepancies may frequently be explained as the back-action required by quantum mechanics adding quantum noise to a classical signal. Here, we implement the “three-box” quantum game [Aharonov Y, et al. (1991) J Phys A Math Gen 24(10):2315–2328] by using state-of-the-art control and measurement of the nitrogen vacancy center in diamond. In this protocol, the back-action of quantum measurements adds no detectable disturbance to the classical description of the game. Quantum and classical mechanics then make contradictory predictions for the same experimental procedure; however, classical observers are unable to invoke measurement-induced disturbance to explain the discrepancy. We quantify the residual disturbance of our measurements and obtain data that rule out any classical model by ≳7.8 standard deviations, allowing us to exclude the property of macroscopic state definiteness from our system. Our experiment is then equivalent to the test of quantum noncontextuality [Kochen S, Specker E (1967) J Math Mech 17(1):59–87] that successfully addresses the measurement detectability loophole.",
keywords = "Leggett–Garg, quantum contextuality, quantum non-demolition measurement",
author = "Richard George and Lucio Robledo and Owen Maroney and Machiel Blok and Hannes Bernien and Matthew Markham and Daniel Twitchen and John Morton and Andrew Briggs and Ronald Hanson",
note = "Freely available online through the PNAS open access option",
year = "2013",
month = mar,
day = "5",
doi = "10.1073/pnas.1208374110",
language = "English",
volume = "110",
pages = "3777--3781",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "National Academy of Sciences",
number = "10",

}

RIS

TY - JOUR

T1 - Opening up three quantum boxes causes classically undetectable wavefunction collapse

AU - George, Richard

AU - Robledo, Lucio

AU - Maroney, Owen

AU - Blok, Machiel

AU - Bernien, Hannes

AU - Markham, Matthew

AU - Twitchen, Daniel

AU - Morton, John

AU - Briggs, Andrew

AU - Hanson, Ronald

N1 - Freely available online through the PNAS open access option

PY - 2013/3/5

Y1 - 2013/3/5

N2 - One of the most striking features of quantum mechanics is the profound effect exerted by measurements alone. Sophisticated quantum control is now available in several experimental systems, exposing discrepancies between quantum and classical mechanics whenever measurement induces disturbance of the interrogated system. In practice, such discrepancies may frequently be explained as the back-action required by quantum mechanics adding quantum noise to a classical signal. Here, we implement the “three-box” quantum game [Aharonov Y, et al. (1991) J Phys A Math Gen 24(10):2315–2328] by using state-of-the-art control and measurement of the nitrogen vacancy center in diamond. In this protocol, the back-action of quantum measurements adds no detectable disturbance to the classical description of the game. Quantum and classical mechanics then make contradictory predictions for the same experimental procedure; however, classical observers are unable to invoke measurement-induced disturbance to explain the discrepancy. We quantify the residual disturbance of our measurements and obtain data that rule out any classical model by ≳7.8 standard deviations, allowing us to exclude the property of macroscopic state definiteness from our system. Our experiment is then equivalent to the test of quantum noncontextuality [Kochen S, Specker E (1967) J Math Mech 17(1):59–87] that successfully addresses the measurement detectability loophole.

AB - One of the most striking features of quantum mechanics is the profound effect exerted by measurements alone. Sophisticated quantum control is now available in several experimental systems, exposing discrepancies between quantum and classical mechanics whenever measurement induces disturbance of the interrogated system. In practice, such discrepancies may frequently be explained as the back-action required by quantum mechanics adding quantum noise to a classical signal. Here, we implement the “three-box” quantum game [Aharonov Y, et al. (1991) J Phys A Math Gen 24(10):2315–2328] by using state-of-the-art control and measurement of the nitrogen vacancy center in diamond. In this protocol, the back-action of quantum measurements adds no detectable disturbance to the classical description of the game. Quantum and classical mechanics then make contradictory predictions for the same experimental procedure; however, classical observers are unable to invoke measurement-induced disturbance to explain the discrepancy. We quantify the residual disturbance of our measurements and obtain data that rule out any classical model by ≳7.8 standard deviations, allowing us to exclude the property of macroscopic state definiteness from our system. Our experiment is then equivalent to the test of quantum noncontextuality [Kochen S, Specker E (1967) J Math Mech 17(1):59–87] that successfully addresses the measurement detectability loophole.

KW - Leggett–Garg

KW - quantum contextuality

KW - quantum non-demolition measurement

U2 - 10.1073/pnas.1208374110

DO - 10.1073/pnas.1208374110

M3 - Journal article

VL - 110

SP - 3777

EP - 3781

JO - Proceedings of the National Academy of Sciences of the United States of America

JF - Proceedings of the National Academy of Sciences of the United States of America

SN - 0027-8424

IS - 10

ER -