Cosmology and the Fate of Dilatation Symmetry

Abstract

We discuss the cosmological constant problem in the light of dilatation symmetry and its possible anomaly. For dilatation symmetric quantum theories realistic asymptotic cosmology is obtained provided the effective potential has a non-trivial minimum. For theories with dilatation anomaly one needs as a non-trivial "cosmon condition" that the energy-momentum tensor in the vacuum is purely anomalous. Such a condition is related to the short-distance renormalization group behavior of the fundamental theory. Observable deviations from the standard hot big bang cosmology are possible.

Original preprint from 1987, 15 pages

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• First cosmological constraints on the Superfluid Chaplygin gas model
• Solar chameleons: Novel channels
• Gravitational Origin of Phantom Dark Energy and Late Cosmic Acceleration
• Wolfgang Priester: from the big bounce to the Lambda-dominated universe
• Null tests with Gaussian Process
• Dark Matter & Dark Energy from a single scalar field: CMB spectrum and matter transfer function
• Virialization of matter overdensities within dark energy subsystems: special cases
• Neutrino Phenomenology, Dark Energy and Leptogenesis from pseudo-Nambu-Goldstone Bosons
• Quintessential early dark energy
• On the holographic dark energy in chameleon scalar-tensor cosmology
• Early universe in quantum gravity
• Covariance of dark energy parameters and sound speed constraints from large HI surveys
• First-order formalism for the quintom model of dark energy
• Wave dynamics of phantom scalar perturbation in the background of Schwarzschild black hole
• Halo Counts-in-cells for Cosmological Models with Different Dark Energy
• Cosmological Coincidence without Fine Tuning
• The non-minimal coupling constant and the primordial de Sitter state
• Confronting quintessence models with recent high-redshift supernovae data
• General parametrization for energy density of quintessence field
• Warping with dilatation symmetry and self-tuning of the cosmological constant
• Tachyon model of Tsallis holographic dark energy
• Mirror World with Broken Mirror Parity, E(6) Unification and Cosmology
• Interacting holographic tachyon model of dark energy
• Modified holographic Ricci dark energy coupled to interacting relativistic and non-relativistic dark matter in the nonflat universe
• Imprints of screened dark energy on nonlocal quantum correlations
• Cosmological implications of tracker scalar fields: Testing the evidence for dynamical dark energy with recent data
• Evolution of magnetic component in Yang-Mills condensate dark energy models
• Cosmon Lumps and Horizonless Black Holes
• Late time cosmic acceleration from natural infrared cutoff?
• Viable dark energy models using pseudo-Nambu-Goldstone bosons
• Testing a dissipative kinetic k-essence model
• Constraints on Cosmological Models from Hubble Parameters Measurements
• The cosmological constant as a boundary term
• Extension of non-minimal derivative coupling theory and Hawking radiation in black-hole spacetime
• A new take on the inflationary quintessence
• Dark Energy on Astrophysical Scales and Its Detection in the Milky Way
• Shadows and Optical Appearances of Black Holes in $R^2$ Gravity
• A new logotropic model based on a complex scalar field with a logarithmic potential
• Absence of solid angle deficit singularities in beyond-generalized Proca theories
• A way to get rid of cosmological constant and zero point energy problems of quantum fields through metric reversal symmetry
• Reconstruction of the dark energy scalar field potential by Gaussian process
• Hidden from view: Coupled Dark Sector Physics and Small Scales
• How Slowly can the Early Universe Expand?
• Quadratic integrals of a multi-scalar cosmological model
• Exact general solutions for cosmological scalar field evolution in a background-dominated expansion
• Scalar field evolution at background and perturbation levels for a broad class of potentials
• The Nature of Dark Energy and Constraints on Its Hypothetical Constituents from Force Measurements
• Stars disformally coupled to a shift-symmetric scalar field
• Non-local scalar fields inflationary mechanism in light of Planck $2013$
• The CIDER simulations: Nonlinear structure formation in the Constrained Interacting Dark Energy Scenario
• Nonsingular Chaplygin gas cosmologies in universes connected by wormhole
• Astrophysical and electromagnetic emissivity properties of black holes surrounded by a quintessence type exotic fluid in the Scalar-Vector-Tensor Modified Gravity
• Non-local dilaton coupling to dark matter: cosmic acceleration and pressure backreaction
• Left-Right Symmetric Model of Neutrino Dark Energy
• Dynamical evolution of phantom scalar perturbation in the background of Schwarzschild black String spacetime
• On Dark Energy Isocurvature Perturbation
• Fundamental Cosmology from Precision Spectroscopy: II. Synergies with supernovae
• Flatness without CMB - the Entanglement of Spatial Curvature and Dark Energy Equation of State
• A possible role for the merger of clusters/voids in the cosmological expansion
• Scalar Dark Energy Models and Scalar-Tensor Gravity: Theoretical Explanations for the Accelerated Expansion of Present Universe
• Scalar Field Kantowski--Sachs Solutions in Teleparallel $F(T)$ Gravity
• Spacetime and Planck mass generation from scale-invariant degenerate gravity
• A particle's perspective on screening mechanisms
• Constraints on Late Time Violations of the Equivalence Principle in the Dark Sector
• FeynMG: a FeynRules extension for scalar-tensor theories of gravity
• Scaling solution for field-dependent gauge couplings in quantum gravity
• Quintessential inflation and nonlinear effects of the tachyonic trap mechanism
• Dynamics of entropy perturbations in assisted dark energy with mixed kinetic terms
• Observational constraints on the unified dark matter and dark energy model based on the quark bag model
• Probing extra dimensions through cosmological observations of dark energy
• Constraints for warped branes
• The Matrix Reloaded - on the Dark Energy Seesaw
• Cosmic superstrings in large volume compactifications: PTAs, LISA and time-varying tension
• New holographic Chaplygin gas model of dark energy
• $\Lambda$ is Coming: Parametrizing Freezing Fields
• Electroweak symmetry breaking by gravity
• Interacting Three Fluid System and Thermodynamics of the Universe Bounded by the Event Horizon
• Dark Matter and Dark Energy from a Kaluza-Klein inspired Brans-Dicke Gravity with Barotropic Fluid
• One Extension to Explain Them All, One Scale-Invariant Spectrum to Test Them All, and in One Model Bind Them
• Phase-space analysis of torsion-coupled dilatonic ghost condensate
• Backreaction in Growing Neutrino Quintessence
• Cosmological acceleration from a gas of strings
• Constraining Slow-Roll Inflation in the Presence of Dynamical Dark Energy
• Cosmological Dynamics in Interacting Scalar-Torsion f(T,$\varphi$) Gravity: Investigating Energy and Momentum Couplings
• Scalar field source Teleparallel Robertson-Walker F(T)-gravity solutions
• Dynamical system analysis in modified Galileon cosmology
• Investigation of Bouncing Universe and Phantom Crossing in Modified Gravity Coupled with Weyl Tensor and its Reconstruction
• The effect of curvature in thawing models
• The Grand Canonical Multiverse and the Small Cosmological Constant
• An Interacting Scenario for Dark Energy in Bianchi Type-I Universe
• Dark Energy with a Fine-toothed Comb
• Hint of dark matter-dark energy interaction in DESI DR2 and current cosmological dataset?
• The coincidence problem in $f(R)$ gravity models
• Fate of homogeneous ${\mathbb{Z}}_2$-symmetric scalar condensates
• Non-Linearly Interacting Ghost Dark Energy in Brans-Dicke Cosmology
• Interacting Viscous Dark Energy in Bianchi Type-III Universe
• Cosmic Evolution with Early and Late Acceleration Inspired by Dual Nature of the Ricci Scalar Curvature
• Variable $G$ Correction for Dark Energy Model in Higher Dimensional Cosmology
• Big bang nucleosynthesis as a probe of fundamental "constants"
• Slow-Roll Inflation in the Presence of a Dark Energy Coupling
• Mimicking the LCDM model with Stealths
• $f(R)$ Dual Theories of Quintessence : Expansion-Collapse Duality
• A new generic and structurally stable cosmological model without singularity
• Joint constraint on primordial gravitational waves and polarization rotation angle with current CMB polarization data
• Observational constraints using Bayesian statistics and Deep Learning in $f(Q)$ gravity
• Spinor quintom cosmology with intrinsic spin
• The Quadratic Approximation for Quintessence with Arbitrary Initial Conditions
• Hitchhiker's Guide to the Swampland: The Cosmologist's Handbook to the string-theoretical Swampland Programme
• Scaling attractors for quintessence in flat universe with cosmological term
• Realizing the phantom-divide crossing with vector and scalar fields
• Hints Beyond $\Lambda$CDM from Barrow and Tsallis Holographic Dark Energy with GO cutoff
• Teleparallel Gravity and Quintessence: The Role of Nonminimal Boundary Couplings
• Diagnostic Approaches for Interacting generalized holographic Ricci Dark Energy Models
• Inflation is the generic feature of phantom field-not the big-rip
• Theory of interacting vector dark energy and fluid
• Cosmology: a bird's eye view
• Bifurcated symmetry breaking in scalar-tensor gravity
• Early dark energy in the pre- and post-recombination epochs
• From inflation to dark energy in scalar-tensor cosmology
• Effective field theory of coupled dark energy and dark matter
• Pseudo Newtonian Potential For a Rotating Kerr Black Hole Embedded in Quintessence
• Avoiding parameter fine-tuning in mass varying neutrino models of DE?
• Naturalness and stability of the generalized Chaplygin gas in the seesaw cosmon scenario
• Higgs-dilaton model revisited: can dilaton act as QCD axion?
• Variational symmetries and superintegrability in multifield cosmology
• No-scale Brans-Dicke Gravity -- ultralight scalar boson & heavy inflaton
• Vacuum Energy and Renormalization of the Field-Independent Term
• Dilaton-induced variations in Planck constant and speed of light: An alternative to Dark Energy
• B-L-symmetric Baryogenesis with Leptonic Quintessence
• The electromagnetic coupling and the dark side of the Universe
• Runaway potentials and a massive goldstino
• Potentials of Coupled Quintessence Based on a Dilaton
• The Electroweak Axion, Dark Energy, Inflation and Baryonic Matter
• The expansion of the universe observed with supernovae
• Relating the cosmological constant and slow roll to conformal symmetry breaking
• Observed Cosmological Reexpansion in Minimal QFT with Bose and Fermi Fields
• Top-Hat Spherical Collapse with Clustering Dark Energy. I. Radius Evolution and Critical Contrast Density
• A quantized frequency reference in the short-ranged gravity potential and its application for dark matter and dark energy searches
• Bimodal/Schizophrenic Neutrino As a Bridge between Inflation and Dark Energy
• Probing Cosmology with Baryon Acoustic Oscillations using Gravitational Waves
• Screening fifth forces in scalar-vector-tensor theories
• Dynamical system analysis in descending dark energy model
• Rigorous derivation of dark energy and inflation as geometry effects in Covariant Canonical Gauge Gravity
• Stabilizing dark matter with quantum scale symmetry
• Coupling q-deformed dark energy to dark matter
• Neutrino Lorentz invariance violation from the CPT-even SME coefficients through a tensor interaction with cosmological scalar fields
• Mimetic Weyl geometric gravity
• On Conformal Transformation with Multiple Scalar Fields and Geometric Property of Field Space with Einstein-like Solutions
• New analysis of SNeIa Pantheon Catalog: Variable speed of light as an alternative to dark energy
• Interacting Dark Energy and Its Implications for Unified Dark Sector
• Quantum tunneling driven by quintessence and the role of GUP
• A mechanism to generate varying speed of light via Higgs-dilaton coupling: Theory and cosmological applications
• Observational constraints on thawing quintessence scalar field model
• Cosmological viability of a double field unified model from warm inflation
• On the F-term problem and quintessence supersymmetry breaking
• Higgs potential near-criticality from a de Sitter swampland-like condition
• A new single-dynamical-scalar-field model of dark energy
• Evolution of perturbations in a universe with exotic solid-like matter
• An effective description of dark energy: from theory to phenomenology
• The nature of cosmological singularities in isotropic universes and braneworlds
• Characterising Dark Energy through supernovae
• On possible composite structure of scalar fields in expanding universe
• Coupled Dark Energy field variation
• Can Chameleon fields be the source of both the dark energy dipole and the CMB dipole?
• DESI constraints on two-field quintessence with exponential potentials
• Theoretical priors in scalar-tensor cosmologies: Shift-symmetric Horndeski models
• Impact of inhomogeneities on slowly rolling Quintessence: implications for the local variations of the fine-structure constant
• Dissecting the $H_0$ and $S_8$ tensions with Planck + BAO + supernova type Ia in multi-parameter cosmologies
• Galileon versus Quintessence: A comparative phase space analysis and late-time cosmic relevance
• f(R) cosmological solutions with varying speed of light
• Higgs-Induced Screening Mechanisms in Scalar-Tensor Theories
• Gravity of Cosmological Perturbations in the CMB
• Impact of a Rapid Diluted Energy Density on the halo mass function
• Gravity and induced matter on Nearly Kahler Manifolds
• Scalar Field Static Spherically Symmetric Solutions in Teleparallel $F(T)$ Gravity
• Generic autonomous system approach to interacting dark energy models
• Dark Energy Simulations
• UV-complete and stable Quintom Dark Energy models in the light of DESI DR2
• An introduction to axions and their detection
• Quintessence and false vacuum: Two sides of the same coin?
• Dynamical dark energy in the no-scale Brans-Dicke gravity
• Renormalization Group Approach to Generalized Cosmological models
• Tracking through equality
• Perturbations of Einstein--Maxwell--phantom spacetime: Instabilities of charged Ellis--Bronnikov wormholes and quasinormal modes of black holes
• Theory Challenges of the Accelerating Universe
• Dark energy constraints in light of theoretical priors
• Effect of Moduli Redefinitions on Fibre Inflation
• Agegraphic dark energy from entropy of the anti-de Sitter black hole
• Can dark energy explain a high growth index?
• What is the SUSY mass scale?
• Phase space of multi-fluid universe in $F(T)$-gravity and some enhancements for the oscillating interaction model
• New tests of dark sector interactions from the full-shape galaxy power spectrum
• Scaling solutions in three-form cosmology
• Cosmology in the presence of diffeomorphism-violating, nondynamical background fields
• After the Dark Ages
• An analogy between four parametrizations of the dark energy equation of state onto Physical DE Models
• Interacting dark matter and q-deformed dark energy non-minimally coupled to gravity
• Chaplygin gas halos
• Braneworld wormholes supported by astrophysical observations
• Bayesian evidence and model selection approach for time-dependent dark energy
• Electroweak Quintessence Axion as Dark Energy
• Perturbations In Some Dark Energy Models
• Neutrino Condensate Dark Energy from TeV Scale Extra Dimensions
• Higgs-Dilaton Inflation in Einstein-Cartan gravity
• Constraints on Energy Conditions in $f(R,L_m)$ Gravity
• VADER - A Satellite Mission Concept For High Precision Dark Energy Studies
• Chaplygin and Polytropic gases Teleparallel Robertson-Walker $F(T)$ gravity solutions
• Observational Constraints and Cosmological Dynamics of Interacting Fractional Holographic Dark Energy in Light of DESI DR2
• Cosmological test of a length-preserving biconnection gravity
• Curvature-Assisted Dynamical Compactification in a Pre-Inflationary Higher-Dimensional Universe
• Background-level reconstruction of scalar-field potentials from dark-energy histories and comparison with analytic potential families
• Post-Newtonian Constraints on Scalar-Tensor Gravity
• Signature Change in $f(R,T_{\varphi })$ Theory
• Very Light Cosmological Scalar Fields from a Tiny Cosmological Constant
• Dynamical dark energy and variation of fundamental "constants"
• Parametrization of Born-Infeld Type Phantom Dark Energy Model
• Scaling Cosmologies from Duality Twisted Compactifications
• Phantom Crossing with Quintom Models
• Constraining Quintessence Models with ISW-tSZ Cross-Correlations: A Comparative Analysis of Thawing, Tracker, and Scaling-Freezing Dynamics