Scalar and tensor perturbations in DHOST bounce cosmology

DOI10.1088/1475-7516/2021/11/045zbMath1487.83140arXiv2108.01339OpenAlexW3217757339MaRDI QIDQ5062298

Emmanuel N. Saridakis, Mian Zhu, Yi-Fu Cai, Yunlong Zheng, Amara Ilyas

Publication date: 15 March 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2108.01339

zbMATH Keywords

cosmology of theories beyond the SMalternatives to inflationcosmological perturbation theory in GR and beyond

Mathematics Subject Classification ID

Unified quantum theories (81V22) Relativistic cosmology (83F05) Spectrum, resolvent (47A10) Geometrodynamics and the holographic principle (83E05) Gravitational energy and conservation laws; groups of motions (83C40) Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.) (83C55) Classical and relativistic thermodynamics (80A10) Perturbations in context of PDEs (35B20) Liquid-gas two-phase flows, bubbly flows (76T10)

Related Items (7)

Parity-violation in bouncing cosmology ⋮ A non-singular bouncing cosmology in \(f(R,T)\) gravity ⋮ One-loop effective action of the IKKT model for cosmological backgrounds ⋮ Perturbative unitarity and NEC violation in genesis cosmology ⋮ Bouncing cosmology in VCDM ⋮ Stable cosmological solutions in Horndeski theory ⋮ Generating cosmological perturbations in non-singular Horndeski cosmologies

Cites Work

• Subluminal Galilean genesis
• On the initial conditions in new ekpyrotic cosmology
• A contracting universe driven by two scalar fields
• Notes on the post-bounce background dynamics in bouncing cosmologies
• The effective field theory of nonsingular cosmology
• A covariant Lagrangian for stable nonsingular bounce
• Boundary terms and junction conditions for generalized scalar-tensor theories
• Isocurvature perturbations in the Ekpyrotic Universe
• Emergent universe and genesis from the DHOST cosmology
• Superluminality in DHOST theory with extra scalar
• The imperfect fluid behind kinetic gravity braiding
• Bouncing cosmologies: progress and problems
• A critical review of classical bouncing cosmologies
• Generalized G-Inflation: --Inflation with the Most General Second-Order Field Equations--
• Effective actions for heterotic M theory
• Modified Gravity and Cosmology
• Cosmological perturbations in a big-crunch–big-bang space-time
• Anisotropy in a non-singular bounce
• Cosmological bounce and Genesis beyond Horndeski
• On (in)stabilities of perturbations in mimetic models with higher derivatives
• Matter bounce cosmology with a generalized single field: non-Gaussianity and an extended no-go theorem
• A classical, non-singular, bouncing universe
• An anisotropic bouncing universe in non-local gravity
• DHOST bounce
• Junction conditions in scalar–tensor theories
• CONSTRAINTS ON THE SOUND SPEED OF DYNAMICAL DARK ENERGY
• The primordial curvature perturbation in the ekpyrotic Universe
• Generating the curvature perturbation without an inflaton

This page was built for publication: Scalar and tensor perturbations in DHOST bounce cosmology