Quantum

Quantum Foundations Beyond Bell's Theorem: A Topical Review

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 30/10/2026, 06:43:25 UTC.

Briefings

This briefing reviews recent no-go theorems extending Bell's theorem to independent sources, quantum networks, and multiple observers. The article organizes these results around a common Bell-inspired methodology, highlighting how operational structures change testable physical assumptions. It notes that while these results originated in quantum information science, their broader foundational significance remains obscured by technical success.

Key points

• The review organizes recent no-go theorems around a common Bell-inspired methodology that extends beyond quantum nonlocality to include independent sources, quantum networks, joint measurements, and multiple observers.
• Many of these results were originally developed within quantum information science and are scattered across the literature, where their technical and application-driven success has partly obscured their broader foundational significance.

Context

This topical review addresses the growing body of work extending Bell's theorem to more sophisticated operational scenarios. It matters because it helps clarify how increasingly rich operational structures change which physical assumptions can be tested, moving beyond the initial quantum nonlocality focus.

Limitations

The evidence is limited to a single abstract from an arXiv preprint dated 2026-10-30. The article does not provide specific dates, numbers, or named actors. The findings are presented as a review of existing literature rather than new empirical data or experimental results.

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