Quantum

Quantum-Relativistic Anomalous Proper Time

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 27/10/2026, 04:13:24 UTC.

Briefings

A new hypothesis suggests gravity and proper time obey quantum superposition, potentially allowing elapsed proper time to become negative and evolve backward in time. The study proposes an experiment using a quantum particle in an interferometer to observe this effect under Earth's gravitational field, aiming for the first evidence of quantum-gravitational interplay beyond Newtonian flat spacetime.

Key points

• A massive body in a quantum superposition of two positions, post-selected in a suitable final state, causes elapsed proper time in another region to assume an anomalous effective value outside classical general relativity.
• The effective elapsed proper time can become negative, corresponding to an effective evolution backward in time.

Context

This research investigates consequences of the hypothesis that gravity and proper time obey the quantum superposition principle, proposing an experiment to observe anomalous effective proper time associated with a quantum particle in an interferometer under Earth's gravitational field.

Limitations

The evidence is preprint arXiv:2610.33220v1, indicating it is not yet peer-reviewed. The study relies on theoretical proposals and feasibility assessments rather than confirmed experimental results. The specific experimental setup and observed data remain unverified.

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