Constraints on quintessence and new physics from fundamental constant

Abstract

Changes in the values of the fundamental constants mu, the proton to electron mass ratio, and alpha, the fine structure constant due to rolling scalar fields have been discussed both in the context of cosmology and in new physics such as Super Symmetry (SUSY) models. This article examines the changes in these fundamental constants in a particular example of such fields, freezing and thawing slow roll quintessence. Constraints are placed on the product of a cosmological quantity, w, the equation of state parameter, and the square of the coupling constants for mu and alpha with the field, zeta_x, x = mu,alpha, using the existing observational limits on the values of Delta x/x. Various examples of slow rolling quintessence models are used to further quantify the constraints. Some of the examples appear to be rejected by the existing data which strongly suggests that conformation to the values of the fundamental constants in the early universe is a standard test that should be applied to any cosmological model or suggested new physics.

arXiv commentAccepted for publication in the Monthly Notices of the Royal Astronomical Society Letters

Cited by in corpus (11)

• Tests and problems of the standard model in Cosmology
• Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample
• Searching for New Physics Through AMO Precision Measurements
• Constraining cosmologies with fundamental constants I. Quintessence and K-Essence
• Fundamental Constant Observational Bounds on the Variability of the QCD Scale
• Constraints on thawing scalar field models from fundamental constants
• A new substantive proton to electron mass ratio constraint on rolling scalar field cosmologies
• Methanol absorption in PKS B1830-211 at milliarcsecond scales
• Beta Function Quintessence Cosmological Parameters and Fundamental Constants I: Power and Inverse Power Law Dark Energy Potentials
• Estimations of the cosmological parameters from the observational variation of the fine structure constant
• Testing bound dark energy with cosmological parameter and fundamental constant evolution