Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension

S Vagnozzi - Universe, 2023 - mdpi.com
The Hubble tension has now grown to a level of significance which can no longer be
ignored and calls for a solution which, despite a huge number of attempts, has so far eluded …

Renormalizing the vacuum energy in cosmological spacetime: implications for the cosmological constant problem

C Moreno-Pulido, J Solà Peracaula - The European Physical Journal C, 2022 - Springer
The renormalization of the vacuum energy in quantum field theory (QFT) is usually plagued
with theoretical conundrums related not only with the renormalization procedure itself, but …

Running Vacuum in the Universe: Phenomenological Status in Light of the Latest Observations, and Its Impact on the σ8 and H0 Tensions

J Solà Peracaula, A Gómez-Valent, J de Cruz Pérez… - Universe, 2023 - mdpi.com
A substantial body of phenomenological and theoretical work over the last few years
strengthens the possibility that the vacuum energy density (VED) of the universe is …

Equation of state of the running vacuum

C Moreno-Pulido, JS Peracaula - The European Physical Journal C, 2022 - Springer
Recent studies of quantum field theory in FLRW spacetime suggest that the cause of the
speeding up of the universe is the running vacuum (RV), see Moreno-Pulido and Solà …

Running vacuum in QFT in FLRW spacetime: the dynamics of from the quantized matter fields

C Moreno-Pulido, JS Peracaula… - The European Physical …, 2023 - Springer
Phenomenological work in the last few years has provided significant support to the idea
that the vacuum energy density (VED) is a running quantity with the cosmological evolution …

[HTML][HTML] 动力学暗能量与中微子质量

赵欣悦, 郭瑞芸, 姚天莹 - Astronomy and Astrophysics, 2024 - hanspub.org
随着天文观测技术的不断发展, 暗能量的测量已经达到很高的精度. 然而, 人们对暗能量的本质
属性, 描述暗能量演化过程的标准宇宙学模型, 以及暗能量模型中相互影响的宇宙学参数背后的 …

Coupled Quintessence scalar field model in light of observational datasets

T Patil, S Panda - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
We do a detailed analysis of a well-theoretically motivated interacting dark energy scalar
field model with a time-varying interaction term. Using current cosmological datasets from …

Oscillating dark energy in light of the latest observations and its impact on the Hubble tension

M Rezaei - The Astrophysical Journal, 2024 - iopscience.iop.org
In this paper, we have performed a comparative study of different types of oscillating dark
energy (DE) models using the Metropolis algorithm of Markov Chain Monte Carlo. Eight …

The Hubble constant troubled by dark matter in non-standard cosmologies

JS Alcaniz, JP Neto, FS Queiroz, DR da Silva… - Scientific reports, 2022 - nature.com
Abstract The Standard Cosmological Model has experienced tremendous success at
reproducing observational data by assuming a universe dominated by a cosmological …

Cosmology of Tsallis and Kaniadakis holographic dark energy in Saez–Ballester theory and consideration of viscous van der Waals fluid

KK Chokyi, S Chattopadhyay - Annals of Physics, 2024 - Elsevier
In the framework of Saez–Ballester (SB) theory, the current study proposes a reconstruction
scheme for Tsallis and Kaniadakis holographic dark energy, particular cases of a more …