The String Dilaton and a Least Coupling Principle
arXiv:hep-th/9401069 · doi:10.1016/0550-3213(94)90143-0
Abstract
It is pointed out that string-loop modifications of the low-energy matter couplings of the dilaton may provide a mechanism for fixing the vacuum expectation value of a massless dilaton in a way which is naturally compatible with existing experimental data. Under a certain assumption of universality of the dilaton coupling functions , the cosmological evolution of the graviton-dilaton-matter system is shown to drive the dilaton towards values where it decouples from matter (``Least Coupling Principle"). Quantitative estimates are given of the residual strength, at the present cosmological epoch, of the coupling to matter of the dilaton. The existence of a weakly coupled massless dilaton entails a large spectrum of small, but non-zero, observable deviations from general relativity. In particular, our results provide a new motivation for trying to improve by several orders of magnitude the various experimental tests of Einstein's Equivalence Principle (universality of free fall, constancy of the constants,\dots).
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- Fundamental constants and tests of general relativity - Theoretical and cosmological considerations
- A New Type of Dark Energy Model
- Stringent Pulsar Timing Bounds on Light Scalar Couplings to Matter
- MICROSCOPE's constraint on a short-range fifth force
- The Equivalence Principle and the Constants of Nature
- Horndeski gravity without screening in binary pulsars
- A Brief History of Curvature
- Conformal Inflation Coupled to Matter
- Astrophysical black holes in screened modified gravity
- 3D Weak Lensing: Modified Theories of Gravity
- The effective field theory of K-mouflage
- Induced Gravity and the Attractor Dynamics of Dark Energy/Dark Matter
- Tests of Quantum Gravity-Induced Non-Locality via Opto-mechanical Experiments
- Post-Newtonian parameters and of scalar-tensor gravity for a homogeneous gravitating sphere
- Lorentz violation in three-family neutrino oscillation
- Testing for gravitationally preferred directions using the lunar orbit
- Where are the Walls?
- Implications of a dilaton in gauge theory and cosmology
- Highly compact neutron stars and screening mechanisms. I. Equilibrium and stability
- Atomic Quantum Technologies for Quantum Matter and Fundamental Physics Applications
- On dilatons with intrinsic decouplings
- Neutrino Dark Energy and Moduli Stabilization in a BPS Braneworld Scenario
- Experimental targets for dark photon dark matter
- Multi-scale Constraints on Scalar-Field couplings to Matter: The Geodetic and Frame-Dragging Effects
- Positive tension 3-branes in an bulk
- Competing bounds on the present-day time variation of fundamental constants
- Constants and Variations: From Alpha to Omega
- Neutron star in presence of torsion-dilaton field
- Vector and scalar confinement in gauge theory with a dilaton
- Atomic diffraction from single-photon transitions in gravity and Standard-Model extensions
- Constraining possible variations of the fine structure constant in strong gravitational fields with the K iron line
- Probing quantum gravity effects with quantum mechanical oscillators
- Williams et al. Reply (to the Comment by Dumin on "Progress in Lunar Laser Ranging Tests of Relativistic Gravity")
- Gauss-Bonnet models with cosmological constant and non zero spatial curvature in
- Parameterised post-Newtonian formalism for the effective field theory of dark energy via screened reconstructed Horndeski theories
- Can galaxy clusters, type Ia supernovae and cosmic microwave background rule out a class of modified gravity theories?
- Supersymmetry and SU(2)xU(1) breaking with naturally vanishing vacuum energy
- Emergent gravity from hidden sectors and TT deformations
- Gravitational time delay of light for various models of modified gravity
- Fifth force induced by a chameleon field on nested cylinders
- Scalars Gliding Through an Expanding Universe
- Quantum-enhanced screened dark energy detection
- Decoupling Dark Energy from Matter
- Quantum simulation of dark energy candidates
- Runaway Domain Wall and Space-time Varying alpha
- Oklo reactors and implications for nuclear science
- Search for environment-dependent dilatons
- On the cosmic convergence mechanism of the massless dilaton
- Galaxy Clustering in 3D and Modified Gravity Theories
- Leading bounds on micro- to picometer fifth forces from neutron star cooling
- Possible Evidence of Time Variation of Weak Interaction Constant from Double Beta Decay Experiments
- Tensor-Multi-Scalar Gravity: Equations of Motion to 2.5 post-Newtonian Order
- Spontaneous symmetry breaking in the late Universe and glimpses of early Universe phase transitions à la baryogenesis
- Fifth-Force Screening around Extremely Compact Sources
- Asymptotic and Exact Solutions of Perfect-Fluid Scalar-Tensor Cosmologies
- Do the fundamental constants change with time ?
- An Environmental Variation of Constants
- The theoretical significance of G
- Dynamical reconstruction of the CDM model in the scalar-tensor representation of gravity
- Detecting a relic background of scalar waves with LIGO
- A New Dimension Hidden in the Shadow of a Wall
- Constraints on conformal ultralight dark matter couplings from the European Pulsar Timing Array
- Influence functionals, decoherence and conformally coupled scalars
- The Swampland and Screened Modified Gravity
- Searching for Chameleon Dark Energy with Mechanical Systems
- Challenging the Cosmological Constant
- Screening Mechanism and Late-time Cosmology: Role of a Chameleon-Brans-Dicke Scalar Field
- Anisotropic Inflation and the Origin of Four Large Dimensions
- Optimal baseline exploitation in vertical dark-matter detectors based on atom interferometry
- Higher Loop String Cosmology with Moduli and Antisymmetric Tensor Field
- Constraints on interacting dynamical dark energy and a new test for CDM
- Screening the Higgs portal
- Mathematical Modeling of Boson-Fermion Stars in the Generalized Scalar-Tensor Theories of Gravity
- Fine-structure constant constraints on Bekenstein-type models
- Detecting dark energy in long baseline neutrino oscillations
- Gamma-ray bursts, axion emission and string theory dilaton
- General aspects of Gauss-Bonnet models without potential in dimension four
- Varying c and Particle Horizons
- Observables in theories with a varying fine structure constant
- Ricci flows and expansion in axion-dilaton cosmology
- Fast apparent oscillations of fundamental constants
- Probing Stochastic Ultralight Dark Matter with Space-based Gravitational-Wave Interferometers
- Accurate Computation of the Screening of Scalar Fifth Forces in Galaxies
- How CMB and large-scale structure constrain chameleon interacting dark energy
- Short Distance Repulsive Gravity as a Consequence of Non Trivial PPN Parameters and
- Limits on ALP-neutrino couplings from loop-level processes
- Solar chameleons: Novel channels
- The kinematic Sunyaev-Zel'dovich effect of the large-scale structure (II): the effect of modified gravity
- Interpretation of geodesy experiments in non-Newtonian theories of gravity
- Medium effects in string-dilaton-induced neutrino oscillations
- Impacts of nonthermal emission on the images of a black hole shadow and extended jets in two-temperature GRMHD simulations
- Dissecting kinetically coupled quintessence: phenomenology and observational tests
- Test of Einstein Equivalence Principle by frequency comparisons of optical clocks
- Neutrino Tests of General and Special Relativity
- Search for dark energy with neutron interferometry
- Quasi-geodesics in relativistic gravity
- Boson stars in massless and massive scalar-tensor gravity
- Dilatonic Dark Matter
- Extra dimensions and Lorentz invariance violation
- A new method for detecting velocity shifts and distortions between optical spectra
- Test of the Equivalence Principle in the Dark Sector on Galactic Scales
- Extended Chameleons
- Dynamical Couplings, Dynamical Vacuum Energy and Confinement/Deconfinement from R^2-Gravity
- Evolution of the Chameleon Scalar Field in the Early Universe
- Fundamental constants and their variability in theories of High Energy Physics
- Thermodynamics of relativistic quantum fields confined in cavities
- Dilatonic current-carrying cosmic strings
- Constraining massless dilaton theory at Solar system scales with the planetary ephemeris INPOP
- Self-accelerating solutions of scalar-tensor gravity
- Runaway dilaton models: improved constraints from the full cosmological evolution
- 2d Stringy Black Holes and Varying Constants
- Scalar-Mediated Quantum Forces Between Macroscopic Bodies and Interferometry
- Preliminary Sensitivity Study for a Gravitational Redshift Measurement with China's Lunar Exploration Project
- Imprints of screened dark energy on nonlocal quantum correlations
- Expanded solar-system limits on violations of the equivalence principle
- Recent Experimental Tests of Special Relativity
- Clock Transitions Versus Bragg Diffraction in Atom-interferometric Dark-matter Detection
- Phase transition in the fine structure constant
- Chameleons on the Racetrack
- Probing the electron-to-proton mass ratio gradient in the Milky Way with class I methanol masers
- Qualitative evolution in higher-loop string cosmology
- Effects of a scalar fifth force on the dynamics of a charged particle as a new experimental design to test chameleon theories
- Non-perturbative time-dependent String Backgrounds and Axion-induced Optical Activity
- Effects on the two-point correlation function from the coupling of quintessence to dark matter
- Observable interactions of quintessence with ordinary matter and neutrinos
- Goldstone models of modified gravity
- Estimates of cluster masses in screened modified gravity
- Model-Independent Comparisons of Pulsar Timings to Scalar-Tensor Gravity
- Violation of the equivalence principle induced by oscillating rest mass and transition frequency, and its detection in atom interferometers
- Novel Screening with Two Bodies: Summing the ladder in disformal scalar-tensor theories
- Double screening
- Variation of the fine-structure constant: an update of statistical analyses with recent data
- Chameleon Fragmentation
- From Big Crunch to Big Bang: A Quantum String Cosmology Perspective
- Astrophysical and local constraints on string theory: runaway dilaton models
- Prospects for Axion Dark Matter Searches at LISA-like Interferometers
- The Nature of Dark Energy and Constraints on Its Hypothetical Constituents from Force Measurements
- Antisymmetric-Tensor and Electromagnetic effects in an alpha'-non-perturbative Four-Dimensional String Cosmology
- Particle level screening of scalar forces in 1+1 dimensions
- Perspectives in Fundamental Physics in Space
- Tests of Relativistic Gravity in Space: Recent Progress and Future Directions
- Analytical external spherical solutions in entangled relativity
- Solving nonlinear Klein-Gordon equations on unbounded domains via the Finite Element Method
- Searching for dilaton fields in the Ly forest
- Resonant and non-resonant amplification of massless gauge fields during an oscillating dilaton phase
- Chameleonic dilaton and conformal transformations
- Towards an optimal marked correlation function analysis for the detection of modified gravity
- Scalar gravitational waves and Einstein frame
- String Dilaton Fluid Cosmology
- String Theory and Cosmology
- Cosmological Dynamics of D-BIonic and DBI Scalar Field and Coincidence Problem of Dark Energy
- Light, the universe, and everything -- 12 Herculean tasks for quantum cowboys and black diamond skiers
- The Invisible Dilaton
- Constraints on Late Time Violations of the Equivalence Principle in the Dark Sector
- Effective field theory analysis of the self-interacting chameleon
- Signal-to-noise ratio for a stochastic background of massive relic particles
- Improved constraints on violations of the Einstein equivalence principle in the electromagnetic sector with complementary cosmic probes
- Static structure of chameleon dark Matter as an explanation of dwarf spheroidal galactic core
- Scaling solution for field-dependent gauge couplings in quantum gravity
- Species, chameleonic strings and the concept of particle
- The γ parameter in Brans-Dicke-like (light-)Scalar-Tensor theory with a universal scalar/matter coupling
- Lorentz breaking Effective Field Theory and observational tests
- The Inverse Variational Problem for Autoparallels
- Incompatibility of fine-structure constant variations at recombination with local observations
- Aspherical gravitational monopoles
- Weak Interactions Effect on the P-N Mass Splitting and the Principle of Equivalence
- Local transformations of units in Scalar-Tensor Cosmology
- Detecting Ultralight Dark Matter with Matter Effect
- Frequency shifts induced by light scalar fields
- Plane-symmetric inhomogeneous Brans-Dicke cosmology with an equation of state
- Scrutinizing coupled vector dark energy in light of data
- Coupling quintessence kinetics to electromagnetism
- Space-time variation of the s and c quark masses
- Constraints on Field Theoretical Models for Variation of the Fine Structure Constant
- Geometry and Matter Reduction in a 5D Kaluza-Klein Framework
- Constraints on Quasi-dilaton Massive Gravity
- The Holography Hypothesis and Pre-Big Bang Cosmology
- Detecting the dark sector through scalar-induced gravitational waves
- Testing screened scalar-tensor theories of gravity with atomic clocks
- Gravitational and topological effects on Confinement Dynamics
- Manifestations of dark matter and variations of fundamental constants in atoms and astrophysical phenomena
- Shadows of naked singularity in Brans-Dicke gravity
- The variation of the electromagnetic coupling and quintessence
- Dilaton gravity, (quasi-) black holes, and scalar charge
- STE-QUEST Mission and System Design - Overview after completion of Phase-A
- Chameleon gravity on cosmological scales
- String Cosmology: The Pre-Big Bang Scenario
- On validity of the quasi-static approximation in scalar-tensor theories
- Dynamics of a self-gravitating thin string in scalar-tensor theories of gravitation
- Non-parametric reconstruction of the fine structure constant with galaxy clusters
- One-electron atoms in screened modified gravity
- Bayesian Search of Massive Scalar Fields from LIGO-Virgo-KAGRA Binaries
- Production of photons in a bouncing universe
- A Locally Anisotropic Metric for Matter in an Expanding Universe: I. The Ansatz and the Modified Newton Law
- Dynamical response of the "GGG" rotor to test the Equivalence Principle: theory, simulation and experiment. Part I: the normal modes
- The redshift distribution of absorption-line systems in QSO spectra
- Ultra-local models of modified gravity without kinetic term
- Hint of dark matter-dark energy interaction in DESI DR2 and current cosmological dataset?
- Gravitational scalar field coupled directly to the Maxwell field and its effect to solar-system experiments
- Diffuse X-Ray and Gamma-Ray Limits on Boson Stars that Interact with Nuclei
- Laser Ranging to the Moon, Mars and Beyond
- Induced Violation of Weak Equivalence Principle in the Brans-Dicke Theory
- Dynamical Casimir effect with screened scalar fields
- On cosmologically induced hierarchies in string theory
- Energy production in varying α theories
- Dilatonic effects on a falling test mass in scalar-tensor theory
- Time-dependent toroidal compactification proposals and the Bianchi type II model: classical and quantum solutions
- Magnetic contributions in Bekenstein type models
- Radiative constraints on brane quintessence
- On the possibility of testing the Weak Equivalence Principle with artificial Earth satellites
- Inflation with two-form field: the production of primordial black holes and gravitational waves
- Searching for scalar field dark matter with hyperfine transitions in alkali atoms
- Multi-scalar theories of gravity with direct matter couplings and their parametrized post-Newtonian parameters
- Kasner-like behaviour for subcritical Einstein-matter systems
- Neutrino spin oscillation in screening models revisited
- Scalar and Spinor Particles in the Spacetime of a Domain Wall in String Theory
- Galaxy clusters, cosmic chronometers and the Einstein equivalence principle
- An Electrostatic Analogy for Symmetron Gravity
- Distinguishing Monochromatic Signals in LISA and Taiji: Ultralight Dark Matter versus Gravitational Waves
- Quantum and thermal pressures from light scalar fields
- Higher-derivative Heterotic Kerr-Sen Black Holes
- Regular black hole solutions in -dimensional gravity coupled to nonlinear electrodynamics
- Demonstration that Differential Length Changes of Optical Cavities are a Sensitive Probe for Ultralight Dark Matter
- Black Hole and Neutron Star Binaries: Theoretical Challenges
- Space-time variation of the electron-to-proton mass ratio in a Weyl model
- Non-minimal scalar-tensor theories
- Astrophysical and cosmological considerations on a string dilaton of a least coupling
- Cosmology and Static Spherically Symmetric solutions in D-dimensional Scalar Tensor Theories: Some Novel Features
- Equivalence of scalar-tensor theories and scale-dependent gravity
- Geophysical test of the universality of free-fall
- Field-gradient measurement using a Stern-Gerlach atomic interferometer with butterfly geometry
- (Non-) geodesic motion in chameleon Brans Dicke model
- Robust numerical computation of the 3D scalar potential field of the cubic Galileon gravity model at solar system scales
- The electromagnetic coupling and the dark side of the Universe
- Symmetry Breaking and Time Variation of the QCD Coupling
- Neutrino Velocity and the Variability of Fundamental Constants
- Could trapped quintessence account for the laser-detuning-dependent acceleration of cold atoms in varying-frequency time-of-flight experiments?
- Variations of the Fine Structure Constant in Space and Time
- Universality of free fall versus ephemeris
- Quintessence, Supersymmetry and Inflation
- Dynamical Chameleon Neutron Stars: stability, radial oscillations and scalar radiation in spherical symmetry
- Effects of New Gravitational Interactions on Neutrinoless Double Beta Decay
- Astro- and Quantum Physical Tests of Screened Scalar Fields
- Stability Analysis of the Cosmological Dynamics of -complete Stringy Gravity
- Limits on scalar dark matter interactions with particles other than the photon via loop corrections to the scalar-photon coupling
- Equivalence Principle tests, Equivalence theorems and New long-range forces
- Late-time Cosmology without Dark Sector but with Closed String Massless Sector
- A class of homogeneous scalar-tensor cosmologies with a radiation fluid
- Search for Variations of Fundamental Constants
- Electromagnetic vacuum densities induced by a cosmic string
- A nearly cylindrically symmetric source in the Brans-Dicke gravity as the generator of the rotational curves of the galaxies
- Supersymmetric chameleons and ultra-local models
- Testing the Gravitational Redshift with Atomic Gravimeters?
- Compactification of IIB Theory with Fluxes and Axion-Dilaton String Cosmology
- Constraining Light Scalar Field with Torsion-Balance Gravity Experiments
- One-loop bosonic string and De Sitter space
- Dilaton stabilization by massive fermion matter
- Isotropic LQC and LQC--inspired Models with a massless scalar field as Generalised Brans--Dicke theories
- Refining fundamental constants with white dwarfs: machine learning informed constraints on fine-structure constant and proton-to-electron mass ratio
- New constraints on the values of the fundamental constants at a look-back time of 7.3 Gyr
- Scalar-tensor gravity and Aharonov-Bohm electrodynamics with bosons: applications to superconductors
- Dilaton black holes with a cosmological term
- Curing singularities: From the big bang to black holes
- Confronting Dilaton-exchange gravity with experiments
- Fifth forces and discrete symmetry breaking
- Could Fermion Masses Play a Role in the Stabilization of the Dilaton in Cosmology?
- Radion clouds around evaporating black holes
- Can a pseudo-symmetry solve the cosmological constant problem?
- Homogeneous Cosmological Models in Weyl's Geometrical Scalar-Tensor Theory
- Higgs-Induced Screening Mechanisms in Scalar-Tensor Theories
- Neutrino Oscillations from Strings and Other Funny Things
- Onset of dark energy from cosmological scalarization and gravitational wave speed
- Israel-Wilson-Perjes Metrics in a Theory with a Dilaton Field
- Atomic equivalence violations via a massive and massless dilaton
- Why do we live in a 4D world: Can cosmology, black holes and branes give an answer?
- A-priori "imprinting" of General Relativity itself on some tests of it?
- On Generalized Theories of Varying Fine Structure Constant
- Intermediate Coupling Regime in Dilatonic Inflationary Universe
- The Yukawa potential of a non-homogeneous sphere, with new limits on an ultralight boson
- Aspects of a supersymmetric Brans-Dicke theory
- DC Cancellation As a Method of Generating a t^2 Response and of Solving the Radial Nonobservability Problem in a Concentric Free-Falling Two-Sphere Equivalence-Principle Experiment in a Drag-Free Satellite
- Constraining runaway dilaton models using joint gravitational-wave and electromagnetic observations
- Very Light Cosmological Scalar Fields from a Tiny Cosmological Constant
- Categorizing models using Self-Organizing Maps: an application to modified gravity theories probed by cosmic shear
- Geodesics in Quantum Gravity
- Does the QCD Scale vary in time?
- Hydrodynamical Misner-Sharp Formulation for Gravitational Collapse in Scalar-Tensor Theories
- Lagrangian Identity and Mass Evolution of Particle-like Objects in Nonminimally Coupled Gravity
- A Time Variation of the QCD Coupling Constant
- Spacetime-symmetry violations: motivations, phenomenology, and tests
- Some cosmological consequences of a breaking of the Einstein equivalence principle
- Basics of the pressuron
- Solar System and Atomic Clock Bounds on Locally Coupled Swampland Scalars