Author

Marius Krumm

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Preprint Jul 2026

An Operational Resolution of the Third-Particle Paradox

We give an operational resolution of the third-particle paradox, relevant in the theory of quantum reference frames. The apparent paradox is that a system which is irrelevant in one quantum-reference-frame description can seem to become relevant after changing to another quantum reference frame, because the reduced sta...

Č. Brukner, Esteban Castro-Ruiz, Marius Krumm · 1 citation