Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

arXiv:2212.04737 · The European Physical Journal D

Experimental tests of Bell’s inequalities: a first-hand account by Alain Aspect

William D. Phillips, Jean Dalibard

Published Jan 1, 2023• 7 citations
arXivHTMLPDF
DOI
10.1140/epjd/s10053-022-00557-6

Related papers

Experimental Tests of Bell’s Inequalities

Alain Aspect

Springer eBooks•Jan 1, 1984•3 citations

Experimental Verification of Quantum Entanglement: Insights from EPR Paradox and Bell Tests

Weiyu Cao

Quantum entanglement is an essential principle in quantum mechanics, illustrating the relationship between two or more spatially separated particles.This correlation has been experimentally proven through various techniques, including the entangled photon experiment. Furthermore, the breach of Bell's inequality has confirmed that entanglement represents a genuine physical occurrence, which cannot be accounted for by local hidden variables, thus highlighting the peculiar characteristics of quantum mechanics. This article aims to introduce quantum entanglement and Bell's inequality, and to discuss the experiments conducted by Alain Aspect, John Clauser, and Anton Zeilinger, which paved the way for the development of quantum information science. Additionally, this paper will explore the potential applications of quantum technology in communication, cryptography, and computing, which rely on the exceptional properties of entanglement.

Highlights in Science Engineering and Technology•Aug 21, 2023•0 citations

Experimental Tests of Bell’s Inequalities

Alain Aspect, Philippe Grangier

NATO ASI series. Series B : Physics•Jan 1, 1995•2 citations

BELL NONLOCALITY, RELATIONAL INFORMATION, AND MODAL ONTOLOGY

Denivaldo Silva, Vidamor Cabannas

This article develops an expanded critical–propositional analysis of Alain Aspect, Jean Dalibard, and Gérard Roger’s 1982 experiment, Experimental Test of Bell’s Inequalities Using Time-Varying Analyzers, in systematic dialogue with the Theory of Objectivity (TO), developed by Vidamor Cabannas and Denivaldo Silva. The Aspect experiment occupies a privileged position in this dialogue because it combines atomic radiative transitions, correlated photons, dynamically changing measurement boundaries, electromagnetic polarization, acousto-optical switching, statistical information, and relational measurement within a single empirically controlled arrangement. Aspect, Dalibard, and Roger reported correlations in agreement with quantum-mechanical predictions while violating the relevant Bell inequality by approximately five standard deviations (Aspect, Dalibard, and Roger 1982). The present analysis does not identify Bell nonlocality with the ontology of the TO. Instead, it distinguishes three epistemological levels: direct experimental result, indirect structural compatibility, and speculative ontological interpretation. Under this discipline, the strongest points of dialogue occur with VA4, boundary/interface; VA5, relational or simultaneous observation; and VA7, the transcendent informational element. Particular attention is given to the TO proposition that knowledge or information generated in atomic relations is physically equivalent to atomic radiation. Aspect’s source is precisely an atomic radiative cascade producing correlated photons, which creates a potentially important operational bridge between atomic relation, radiation, correlation, and measurable information without proving the stronger TO ontology. The paper further proposes that Bell experiments should be treated not merely as retrospective analogies but as constraints upon any future mathematical physics derived from the TO. A mature TO formulation must produce an explicit correlation function and must reproduce, or predict experimentally distinguishable departures from, quantum statistics while respecting the empirically established absence of controllable faster-than-light signaling. Finally, the analysis situates Bell experimentation within the broader methodological program of the TO: modal necessity must be connected to empirical science through derived bridge principles, quantitative observables, risky predictions, and discriminating tests. Keywords: Theory of Objectivity; Bell inequalities; Alain Aspect; quantum entangle- ment; nonlocality; information; atomic radiation; modal ontology; relationality; EIE; EIR; empirical corroboration.

•Aug 22, 2026•0 citations

BELL NONLOCALITY, RELATIONAL INFORMATION, AND MODAL ONTOLOGY

Vidamor Cabannas

This article develops an expanded critical–propositional analysis of Alain Aspect, Jean Dalibard, and Gérard Roger’s 1982 experiment, Experimental Test of Bell’s Inequalities Using Time-Varying Analyzers, in systematic dialogue with the Theory of Objectivity (TO), developed by Vidamor Cabannas and Denivaldo Silva. The Aspect experiment occupies a privileged position in this dialogue because it combines atomic radiative transitions, correlated photons, dynamically changing measurement boundaries, electromagnetic polarization, acousto-optical switching, statistical information, and relational measurement within a single empirically controlled arrangement. Aspect, Dalibard, and Roger reported correlations in agreement with quantum-mechanical predictions while violating the relevant Bell inequality by approximately five standard deviations (Aspect, Dalibard, and Roger 1982). The present analysis does not identify Bell nonlocality with the ontology of the TO. Instead, it distinguishes three epistemological levels: direct experimental result, indirect structural compatibility, and speculative ontological interpretation. Under this discipline, the strongest points of dialogue occur with VA4, boundary/interface; VA5, relational or simultaneous observation; and VA7, the transcendent informational element. Particular attention is given to the TO proposition that knowledge or information generated in atomic relations is physically equivalent to atomic radiation. Aspect’s source is precisely an atomic radiative cascade producing correlated photons, which creates a potentially important operational bridge between atomic relation, radiation, correlation, and measurable information without proving the stronger TO ontology. The paper further proposes that Bell experiments should be treated not merely as retrospective analogies but as constraints upon any future mathematical physics derived from the TO. A mature TO formulation must produce an explicit correlation function and must reproduce, or predict experimentally distinguishable departures from, quantum statistics while respecting the empirically established absence of controllable faster-than-light signaling. Finally, the analysis situates Bell experimentation within the broader methodological program of the TO: modal necessity must be connected to empirical science through derived bridge principles, quantitative observables, risky predictions, and discriminating tests. Keywords: Theory of Objectivity; Bell inequalities; Alain Aspect; quantum entangle- ment; nonlocality; information; atomic radiation; modal ontology; relationality; EIE; EIR; empirical corroboration.

•Aug 22, 2026•0 citations

Experimental tests of Bell's inequalities

Alain Aspect

Springer eBooks•Apr 6, 2008•10 citations
Quantum entanglement is an essential principle in quantum mechanics, illustrating the relationship between two or more spatially separated particles.This correlation has been experimentally proven through various techniques, including the entangled photon experiment. Furthermore, the breach of Bell's inequality has confirmed that entanglement represents a genuine physical occurrence, which cannot be accounted for by local hidden variables, thus highlighting the peculiar characteristics of quantum mechanics. This article aims to introduce quantum entanglement and Bell's inequality, and to discuss the experiments conducted by Alain Aspect, John Clauser, and Anton Zeilinger, which paved the way for the development of quantum information science. Additionally, this paper will explore the potential applications of quantum technology in communication, cryptography, and computing, which rely on the exceptional properties of entanglement.
This article develops an expanded critical–propositional analysis of Alain Aspect, Jean Dalibard, and Gérard Roger’s 1982 experiment, Experimental Test of Bell’s Inequalities Using Time-Varying Analyzers, in systematic dialogue with the Theory of Objectivity (TO), developed by Vidamor Cabannas and Denivaldo Silva. The Aspect experiment occupies a privileged position in this dialogue because it combines atomic radiative transitions, correlated photons, dynamically changing measurement boundaries, electromagnetic polarization, acousto-optical switching, statistical information, and relational measurement within a single empirically controlled arrangement. Aspect, Dalibard, and Roger reported correlations in agreement with quantum-mechanical predictions while violating the relevant Bell inequality by approximately five standard deviations (Aspect, Dalibard, and Roger 1982). The present analysis does not identify Bell nonlocality with the ontology of the TO. Instead, it distinguishes three epistemological levels: direct experimental result, indirect structural compatibility, and speculative ontological interpretation. Under this discipline, the strongest points of dialogue occur with VA4, boundary/interface; VA5, relational or simultaneous observation; and VA7, the transcendent informational element. Particular attention is given to the TO proposition that knowledge or information generated in atomic relations is physically equivalent to atomic radiation. Aspect’s source is precisely an atomic radiative cascade producing correlated photons, which creates a potentially important operational bridge between atomic relation, radiation, correlation, and measurable information without proving the stronger TO ontology. The paper further proposes that Bell experiments should be treated not merely as retrospective analogies but as constraints upon any future mathematical physics derived from the TO. A mature TO formulation must produce an explicit correlation function and must reproduce, or predict experimentally distinguishable departures from, quantum statistics while respecting the empirically established absence of controllable faster-than-light signaling. Finally, the analysis situates Bell experimentation within the broader methodological program of the TO: modal necessity must be connected to empirical science through derived bridge principles, quantitative observables, risky predictions, and discriminating tests. Keywords: Theory of Objectivity; Bell inequalities; Alain Aspect; quantum entangle- ment; nonlocality; information; atomic radiation; modal ontology; relationality; EIE; EIR; empirical corroboration.
This article develops an expanded critical–propositional analysis of Alain Aspect, Jean Dalibard, and Gérard Roger’s 1982 experiment, Experimental Test of Bell’s Inequalities Using Time-Varying Analyzers, in systematic dialogue with the Theory of Objectivity (TO), developed by Vidamor Cabannas and Denivaldo Silva. The Aspect experiment occupies a privileged position in this dialogue because it combines atomic radiative transitions, correlated photons, dynamically changing measurement boundaries, electromagnetic polarization, acousto-optical switching, statistical information, and relational measurement within a single empirically controlled arrangement. Aspect, Dalibard, and Roger reported correlations in agreement with quantum-mechanical predictions while violating the relevant Bell inequality by approximately five standard deviations (Aspect, Dalibard, and Roger 1982). The present analysis does not identify Bell nonlocality with the ontology of the TO. Instead, it distinguishes three epistemological levels: direct experimental result, indirect structural compatibility, and speculative ontological interpretation. Under this discipline, the strongest points of dialogue occur with VA4, boundary/interface; VA5, relational or simultaneous observation; and VA7, the transcendent informational element. Particular attention is given to the TO proposition that knowledge or information generated in atomic relations is physically equivalent to atomic radiation. Aspect’s source is precisely an atomic radiative cascade producing correlated photons, which creates a potentially important operational bridge between atomic relation, radiation, correlation, and measurable information without proving the stronger TO ontology. The paper further proposes that Bell experiments should be treated not merely as retrospective analogies but as constraints upon any future mathematical physics derived from the TO. A mature TO formulation must produce an explicit correlation function and must reproduce, or predict experimentally distinguishable departures from, quantum statistics while respecting the empirically established absence of controllable faster-than-light signaling. Finally, the analysis situates Bell experimentation within the broader methodological program of the TO: modal necessity must be connected to empirical science through derived bridge principles, quantitative observables, risky predictions, and discriminating tests. Keywords: Theory of Objectivity; Bell inequalities; Alain Aspect; quantum entangle- ment; nonlocality; information; atomic radiation; modal ontology; relationality; EIE; EIR; empirical corroboration.