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Open Quantum Systems Decoherence

Relative descriptors for quantum agents

arXiv
Authors: David Möckli, Lorenzo Spies Perraro

Year

2024

Paper ID

66706

Status

Preprint

Abstract Read

~2 min

Abstract Words

86

Citations

N/A

Abstract

We use the Heisenberg picture of Everettian quantum mechanics to work out the relative descriptors for the Frauchiger-Renner thought experiment. While Everettian mechanics reveals no paradox within the thought experiment, the decoherence-free setup offers an instructive branching tree. Traditionally, branching structures derived from the Schrödinger picture suggest that foliations are always sharply defined. However, the Heisenberg picture demonstrates that the tree contains regions with inherently non-sharp foliations, leading to the conclusion that, in Everettian mechanics, quantum agents possess a history with a non-sharp memory registry.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • We use the Heisenberg picture of Everettian quantum mechanics to work out the relative descriptors for the Frauchiger-Renner thought experiment.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2406.06719 [2] arXiv https://arxiv.org/abs/2406.06719 [3] Publisher https://arxiv.org/abs/2406.06719

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