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Relevant bibliographies by topics / Wigner’s friend

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Academic literature on the topic 'Wigner’s friend'

Author: Grafiati

Published: 4 June 2021

Last updated: 20 February 2023

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Journal articles on the topic "Wigner’s friend"

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Sokolovski, Dmitri, and Alexandre Matzkin. "Wigner’s Friend Scenarios and the Internal Consistency of Standard Quantum Mechanics." Entropy 23, no. 9 (2021): 1186. http://dx.doi.org/10.3390/e23091186.

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Wigner’s friend scenarios involve an Observer, or Observers, measuring a Friend, or Friends, who themselves make quantum measurements. In recent discussions, it has been suggested that quantum mechanics may not always be able to provide a consistent account of a situation involving two Observers and two Friends. We investigate this problem by invoking the basic rules of quantum mechanics as outlined by Feynman in the well-known “Feynman Lectures on Physics”. We show here that these “Feynman rules” constrain the a priori assumptions which can be made in generalised Wigner’s friend scenarios, be

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Castellani, Leonardo. "No Relation for Wigner’s Friend." International Journal of Theoretical Physics 60, no. 6 (2021): 2084–89. http://dx.doi.org/10.1007/s10773-021-04826-9.

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d’Espagnat, Bernard. "Consciousness and the Wigner’s Friend Problem." Foundations of Physics 35, no. 12 (2005): 1943–66. http://dx.doi.org/10.1007/s10701-005-8656-1.

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Proietti, Massimiliano, Alexander Pickston, Francesco Graffitti, et al. "Experimental test of local observer independence." Science Advances 5, no. 9 (2019): eaaw9832. http://dx.doi.org/10.1126/sciadv.aaw9832.

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The scientific method relies on facts, established through repeated measurements and agreed upon universally, independently of who observed them. In quantum mechanics the objectivity of observations is not so clear, most markedly exposed in Wigner’s eponymous thought experiment where two observers can experience seemingly different realities. The question whether the observers’ narratives can be reconciled has only recently been made accessible to empirical investigation, through recent no-go theorems that construct an extended Wigner’s friend scenario with four observers. In a state-of-the-ar

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Yang, Jianhao M. "Consistent Descriptions of Quantum Measurement." Foundations of Physics 49, no. 11 (2019): 1306–24. http://dx.doi.org/10.1007/s10701-019-00305-8.

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Abstract The Wigner’s friend type of thought experiments manifest the conceptual challenge on how different observers can have consistent descriptions of a quantum measurement event. In this paper, we analyze the extended version of Wigner’s friend thought experiment (Frauchiger and Renner in Nat Commun 3711:9, 2018) in detail and show that the reasoning process from each agent that leads to the no-go theorem is inconsistent. The inconsistency is with respect to the requirement that an agent should make use of updated information instead of outdated information. We then apply the relational fo

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DeBrota, John B., Christopher A. Fuchs, and Rüdiger Schack. "Respecting One’s Fellow: QBism’s Analysis of Wigner’s Friend." Foundations of Physics 50, no. 12 (2020): 1859–74. http://dx.doi.org/10.1007/s10701-020-00369-x.

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Sudbery, Anthony. "Single-World Theory of the Extended Wigner’s Friend Experiment." Foundations of Physics 47, no. 5 (2017): 658–69. http://dx.doi.org/10.1007/s10701-017-0082-7.

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Bong, Kok-Wei, Aníbal Utreras-Alarcón, Farzad Ghafari, et al. "A strong no-go theorem on the Wigner’s friend paradox." Nature Physics 16, no. 12 (2020): 1199–205. http://dx.doi.org/10.1038/s41567-020-0990-x.

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Łukaszyk, Szymon. "Making Mistakes Saves the Single Observer’s World of the Extended Wigner’s Friend Experiment." Journal of Quantum Information Science 12, no. 01 (2022): 1–12. http://dx.doi.org/10.4236/jqis.2022.121001.

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Cavalcanti, Eric G., and Howard M. Wiseman. "Implications of Local Friendliness Violation for Quantum Causality." Entropy 23, no. 8 (2021): 925. http://dx.doi.org/10.3390/e23080925.

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We provide a new formulation of the Local Friendliness no-go theorem of Bong et al. [Nat. Phys. 16, 1199 (2020)] from fundamental causal principles, providing another perspective on how it puts strictly stronger bounds on quantum reality than Bell’s theorem. In particular, quantum causal models have been proposed as a way to maintain a peaceful coexistence between quantum mechanics and relativistic causality while respecting Leibniz’s methodological principle. This works for Bell’s theorem but does not work for the Local Friendliness no-go theorem, which considers an extended Wigner’s Friend s

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Dissertations / Theses on the topic "Wigner’s friend"

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Utreras-Alarcon, Anibal A. "On Extended Wigner's Friend Scenarios." Thesis, Griffith University, 2022. http://hdl.handle.net/10072/413987.

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The Wigner’s friend thought experiment involves two observers, a “superobserver” and a “friend”. The friend makes a measurement on a quantum system, and then the superobserver makes a measurement on the friend’s isolated laboratory, including the friend, provided that the superobserver has coherent quantum control of such a complex system. This can lead to an apparent contradiction where the superobserver claims the friend is in a superposition state, while the friend says they see a definite outcome. Recent years have seen an increase of interest in the Wigner’s friend experiment, as no-go th

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Lundgren, Björn. "Undermining Derk Pereboom’s Hard Incompatibilist Position Against Agent-causation : A Metatheoretical Work on the Topic of Metaphysics and Metaethics." Thesis, Linköpings universitet, Institutionen för kultur och kommunikation, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-88587.

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The author has attempted a dubbleedged purpose, as indicated by the title. The author firstly deals with Pereboom; begining with his so-called ‘wild coincidence’-argument, by which Pereboom claims agent-causation to be unlikely. The author argues that this argument lacks both scope and strenght. The author then deals with the question of compatiblity between physics and agent-causation as related to Pereboom’s basic problematization; whether agent-causation would or would not diverge from what is expected (from any other event) given our best physical theories. This results in a strong critici

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Books on the topic "Wigner’s friend"

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Healey, Richard. Observation and Objectivity. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198714057.003.0011.

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The paradox of Wigner’s friend presents a challenge to the objectivity of description in quantum theory. Distinguishing several aspects of objectivity, I address this challenge. Relativization of quantum state assignment to agent situation disposes of the main problem and a residual worry concerning the objective content of magnitude claims about macroscopic records of outcomes. While Quantum Darwinism cannot alone secure the objectivity of outcomes, it can then help to show why claims about them are intersubjectively verifiable as multiple observers examine records of the outcome in different

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Stuewer, Roger H. New Theories of Nuclear Reactions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198827870.003.0013.

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Bohr, inspired by Fermi’s discovery of slow neutrons, conceived his theory of the compound nucleus by the end of 1935. He went on to speculate that if the energy of a neutron incident on a nucleus were increased to the fantastically high energy of 1000 million electron volts, the compound nucleus would explode. Using small wooden models Otto Robert Frisch had constructed, Bohr lectured widely on his theory on a trip around the world in the first half of 1937. By then, Russian-born theoretical physicist Gregory Breit and Hungarian-born theoretical physicist Eugene Wigner in Princeton had concei

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Book chapters on the topic "Wigner’s friend"

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von Lucadou, Walter. "Wigner’s Friend Revitalized?" In Inside Versus Outside. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-48647-0_21.

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Jaeger, Lars. "Wigner’s Friend: Quantum Physics and Consciousness." In The Second Quantum Revolution. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98824-5_22.

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Baumann, Veronika, and Časlav Brukner. "Wigner’s Friend as a Rational Agent." In Jerusalem Studies in Philosophy and History of Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34316-3_4.

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Stapp, Henry. "Wigner's Friend." In Compendium of Quantum Physics. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-70626-7_239.

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d’Espagnat, Bernard. "Wigner’s Friend." In Conceptual Foundations of Quantum Mechanics. CRC Press, 2018. http://dx.doi.org/10.1201/9780429501449-27.

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"SCHRÖDINGER’S CAT, WIGNER’S FRIEND, AND VEILED REALITY." In On Physics and Philosophy. Princeton University Press, 2021. http://dx.doi.org/10.2307/j.ctv21r3pq8.14.

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"CHAPTER 10 Schro¨ dinger’s Cat, Wigner’s Friend, and Veiled Reality." In On Physics and Philosophy. Princeton University Press, 2006. http://dx.doi.org/10.1515/9780691240237-011.

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Barrett, Jeffrey A. "The Quantum Measurement Problem." In The Conceptual Foundations of Quantum Mechanics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198844686.003.0007.

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We use the Wigner’s friend story to characterize the quantum measurement problem. On the standard formulation of quantum mechanics, whether a physical system is measured determines which of the theory's two dynamical laws obtains. For this reason, the logical consistency of the theory depends on one specifying strictly disjoint conditions for when when each law obtains, which means that one needs to say precisely what constitutes a measurement. But since the term measurement occurs in the standard theory as an undefined primitive term, the theory is at best incomplete. We see precisely how this conceptual incompleteness threatens the logical inconsistency of the theory and why, on even the most charitable reading, it entails that the theory is empirical incomplete. We end by considering why its empirically incompleteness is extremely difficult to test.

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Silberstein, Michael, and W. M. Stuckey. "The Completeness of Quantum Mechanics and the Determinateness and Consistency of Intersubjective Experience." In Consciousness and Quantum Mechanics. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197501665.003.0011.

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Abstract Recent experiments (gedanken or otherwise) and theorems in quantum mechanics (QM) have led many people to claim that QM is not compatible with determinate and intersubjectively consistent experience, what some call the “absoluteness” of observed events; examples include new iterations on Wigner’s friend and delayed choice. Herein we provide a realist psi-epistemic take on QM that saves the absoluteness of observed events and the completeness of QM, without giving up free will or locality. We also show how our realist psi-epistemic account eliminates the measurement problem and, coupled with our take on neutral monism, also eliminates the hard problem of consciousness. On our view there is no need for conscious experience to explain measurement collapse nor any need for measurement collapse to resolve the hard problem. The key here is to reject the unquestioned assumptions that inexorably lead to the measurement problem and the hard problem. This will require a reconception of QM and, a reconception of matter, conscious experience and their relationship to one another.

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Conference papers on the topic "Wigner’s friend"

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Pryde, Geoff J., Kok-Wei Bong, Aníbal Utreras-Alarcón, et al. "Testing a New Strong No-Go Theorem for the Wigner’s Friend Scenario." In CLEO: QELS_Fundamental Science. OSA, 2021. http://dx.doi.org/10.1364/cleo_qels.2021.fm3m.8.

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Brandt, Howard E. "Qubit decoherence and Wigner's friend." In AeroSense 2003, edited by Eric Donkor, Andrew R. Pirich, and Howard E. Brandt. SPIE, 2003. http://dx.doi.org/10.1117/12.485864.

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Wax, Adam. "Wigner distribution: Friend to Biophotonics." In Frontiers in Optics. OSA, 2013. http://dx.doi.org/10.1364/fio.2013.fw2d.1.

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Bong, Kok-Wei, Anibal Utreras-Alarcon, Farzad Ghafari, et al. "Testing the reality of Wigner's friend's experience." In AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, edited by Arnan Mitchell and Halina Rubinsztein-Dunlop. SPIE, 2019. http://dx.doi.org/10.1117/12.2540002.

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Pryde, Geoff J. "A strong no-go theorem and experiment for the Wigner's friend paradox." In Optical and Quantum Sensing and Precision Metrology, edited by Selim M. Shahriar and Jacob Scheuer. SPIE, 2021. http://dx.doi.org/10.1117/12.2592509.

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