Preferred-frame Effects, the H₀ Tension, and Probes of Hořava-Lifshitz Gravity

2019/10/31 by A. Nilsson, Nilsson, Nils A.
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Pulsars and Gravitational Waves Research

paper · doi:10.48550/arxiv.1910.14414

openalex publication_date 2019/10/31 · openalex created_date 2022/07/28 · openalex updated_date 2026/07/28

Abstract

We discuss implications on the H₀ tension due to preferred-frame effects in the context of Hořava-Lifshitz gravity. By using a combination of low-redshift data (Sne1a, elliptical and lenticular galaxies, GRB's, and quasars) we study the H₀ tension and its appearance as a preferred-frame effect, as well as present new constraints on the model parameter λ. Moreover, from the structure of the Friedmann equations, we argue that up to 38% of the Hubble tension can be explained by Lorentz-violating effects in a Hořava-Lifshitz scenario.

Related

• Cosmological Perturbations in the "Healthy Extension'' of Horava-Lifshitz gravity
• The Hubble constant tension: current status and future perspectives through new cosmological probes
• Investigating the Hubble Constant Tension: Two Numbers in the Standard Cosmological Model
• Violations of energy conservation in Horava-Lifshitz gravity: a new ingredient in the dark matter puzzle
• Exploring the Hubble Tension: A Novel Approach through Cosmological Observations