TL;DR
This paper reviews the quantum-to-classical transition of fluctuations during inflation, focusing on the evolution of entanglement and discussing recent research developments in this area.
Contribution
It provides a comprehensive overview of recent studies on entanglement evolution during inflation and assesses the current state of research in quantum cosmology.
Findings
Entanglement plays a key role in the quantum-to-classical transition.
Recent works offer new insights into the evolution of quantum fluctuations during inflation.
The paper highlights ongoing challenges and future directions in understanding cosmological entanglement.
Abstract
In this paper we present the problem of quantum to classical transition of quantum fluctuations during inflation and in particular the question of evolution of entanglement. After a general introduction, three specific very recent works are discussed in some more detail drawing some conclusion about the present status of these researches.
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