Hardy’s approach, Eberhard’s inequality, and supplementary assumptions
Abstract
Hardy's formulation of the Einstein-Podolsky-Roser paradox and the usual formulation based on Bell-type inequalities are compared. The role of the supplementary assumptions in an experimental test based on Hardy's approach is discussed. It is proved that even in Hardy's approach the supplementary assumptions play a fundamental role in refusing Einstein locality on the basis of the experimental results. The lowest value of quantum efficiency for a loophole-free experiment based on Hardy's approach is deduced.
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Non-maximally entangled states allow logical arguments that demonstrate the nonlocality of quantum mechanics without inequalities.
“as well as allowing logical arguments that demonstrate the nonlocality of quantum mechanics without inequalities [14-16].”
From Nonmaximally Entangled States: Production, Characterization, and Utilization (1999) · cites this paper as [16]
More generally, P12(β,-β) > P12(α,-α) + P12(β,-α⊥) + P12(α⊥,-β), which is the inequality to be tested experimentally.
“More generally, P 12 ( β, -β ) > P 12 ( α, -α ) + P 12 ( β, -α ⊥ ) + P 12 ( α ⊥ , -β ), which is the inequality to be tested experimentally [16].”
From Nonmaximally Entangled States: Production, Characterization, and Utilization (1999) · cites this paper as [16]
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Ultrabright source of polarization-entangled photons
Kwiat, P. G., Waks, E., White, A. G., Appelbaum, I., & Eberhard, P. H. (1999) · Physical Review A · doi:10.1103/physreva.60.r773 · Cited by 1,142 · see citing works
Nonmaximally Entangled States: Production, Characterization, and Utilization
White, A. G., James, D. F. V., Eberhard, P. H., & Kwiat, P. G. (1999) · Physical Review Letters · doi:10.1103/physrevlett.83.3103 · Cited by 511 · see citing works
- Authors
- Garuccio, A.
- Affiliations
- Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT)
- Corresponding author
- Garuccio, Augusto
- ORCID
- Garuccio, Augusto
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 1995-10-01
- Volume
- 52
- Issue
- 4
- Pages
- 2535-2537
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W2093069137
- Cited by
- 53
- References
- 0
- Citations by year
- 2024: 1 · 2023: 3 · 2019: 2 · 2017: 2 · 2015: 1 · 2014: 1 · 2013: 1 · 2012: 4
- FWCI
- 1.71
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physical Review A (publishedVersion)
- PubMed (publishedVersion)
- CINECA IRIS Institutional Research Information System (University of Bari Aldo Moro) (submittedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Keywords
- EPR paradox, Bell inequalities, locality, quantum efficiency, quantum nonlocality
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