Comments on Omn\`es' Model for Uniqueness of Data

TL;DR

This paper discusses an alternative realization of Omnès' model for data uniqueness, using standard methods of permanent state reduction, resulting in a simple approach with a causal closed master equation for ensemble density operators.

Contribution

It presents a new realization of Omnès' model employing standard state reduction methods, ensuring causality with a closed master equation.

Findings

Provides an alternative to Omnès' model using standard methods.

Ensures causality through a closed master equation.

Simplifies the approach to data uniqueness in quantum models.

Abstract

Standard methods of the theory of permanent state reduction are shown to offer an alternative realization of Omn\`es' project. Our proposal, as simple as Omn\`es' one, possesses closed master equation for the ensemble density operator, assuring causality.