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June 10, 2026International Journal of Theoretical PhysicsOpen Access

The Problem of Generalized Measurements in Relational Quantum Mechanics

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Authors

VFVincenzo FanoSSSimone SalzanoMSMarco Sanchioni

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Overview

This theoretical analysis reformulates Relational Quantum Mechanics to accommodate generalized quantum measurements, suggesting metaphysical options.

Key Points

  • The aim is to address the limitations of using projective measurements in Relational Quantum Mechanics (RQM) and propose a POVM framework.
  • Identified relational events with effects from Positive Operator-Valued Measures (POVMs).
  • Demonstrated that RQM can use the general Kraus rule without projectors.
  • Analyzed implications for weak, noisy, and continuous measurements.
  • Established that the limitations in RQM are due to the projective measurement framework, not RQM itself.
  • Reformulated RQM as fully compatible with POVM, improving its versatility.
  • Identified three metaphysical candidates for the new POVM-native RQM formulation.

Cite This Study

Fano et al. (2026) studied this question.

synapsesocial.com/papers/6a28fecb6f82f25be989bfc5https://doi.org/10.1007/s10773-026-06382-6
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