Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ ZENODOarrow_drop_down
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
ZENODO
Other literature type . 2025
License: CC BY
Data sources: ZENODO
ZENODO
Other literature type . 2025
License: CC BY
Data sources: Datacite
ZENODO
Other literature type . 2025
License: CC BY
Data sources: Datacite
versions View all 2 versions
addClaim

Decomposition-Indexed Classicality and the Resolution of Nested-Observer Paradoxes

Authors: Almon, Ricardo;

Decomposition-Indexed Classicality and the Resolution of Nested-Observer Paradoxes

Abstract

This paper proposes a new way to understand when a quantum event becomes a classical “fact.” Instead of assuming that classical outcomes are universal, the framework shows that they depend on how an observer divides the world into system, detector, observer, and environment. Each such decomposition follows its own trajectory, and classicality appears only when enough information is accessible, redundantly recorded, and irreversibly amplified. Using this structure, the article shows that famous multi-observer paradoxes—especially Frauchiger–Renner—do not reveal a flaw in quantum theory but arise from mixing statements that belong to incompatible viewpoints. When each statement is used only within its proper context, the contradictions disappear. The result is a simple idea with broad implications: classical facts are not global features of the universe but local features of how observers interface with it. This framework provides a clear, intuitive way to understand why quantum theory remains consistent even in complex nested-observer scenarios.

Keywords

Wigner's friend, Quantum Darwinism, detector physics, classicality, decoherence, quantum foundations, Frauchiger–Renner paradox

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green