The physical nature of the cosmological constant and the decoherence scale in a renormalization-group approach

DOI10.1142/S0218271821500437zbMath1466.83153arXiv2102.08618MaRDI QIDQ5005516

Stefano Viaggiu

Publication date: 10 August 2021

Published in: International Journal of Modern Physics D (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2102.08618

zbMATH Keywords

renormalizationcosmological constantdecoherence scale

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Renormalization group methods applied to problems in quantum field theory (81T17) Methods of quantum field theory in general relativity and gravitational theory (83C47)

Cites Work

• Why there is nothing rather than something: A theory of the cosmological constant
• The quantum structure of spacetime of the Planck scale and quantum fields
• The cosmological constant from Planckian fluctuations and the averaging procedure
• Building non-commutative spacetimes at the Planck length for Friedmann flat cosmologies
• Physically motivated uncertainty relations at the Planck length for an emergent non-commutative spacetime
• The cosmological constant and dark energy
• Why the Cosmological Constant Is Small and Positive
• Gravitational decoherence
• Matter non-conservation in the universe and dynamical dark energy
• On a physical description and origin of the cosmological constant
• The $\bar{\Lambda}{\rm CDM}$ cosmology: From inflation to dark energy through running Λ
• The cosmological constant problem
• On average properties of inhomogeneous fluids in general relativity: Perfect fluid cosmologies

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