Quantum Time
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone
TL;DR
This paper presents a consistent quantum framework for describing time using Page and Wootters' mechanism, successfully addressing previous criticisms and enabling accurate modeling of sequential measurements over time.
Contribution
It introduces a refined quantum time model based on conditional probabilities that overcomes prior criticisms and accurately reproduces measurement statistics.
Findings
Successfully reproduces sequential measurement statistics
Addresses and overcomes previous criticisms of quantum time models
Provides a consistent quantum description of time
Abstract
We give a consistent quantum description of time, based on Page and Wootters' conditional probabilities mechanism, that overcomes the criticisms that were raised against similar previous proposals. In particular we show how the model allows to reproduce the correct statistics of sequential measurements performed on a system at different times.
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