Cosmic strings in Bekenstein-type models

Abstract

We study static cosmic string solutions in the context of Bekenstein-type models. We show that there is a class of models of this type for which the classical Nielsen-Olesen vortex is still a valid solution. However, in general static string solutions in Bekenstein-type models strongly depart from the standard Nielsen-Olesen solution with the electromagnetic energy concentrated along the string core seeding spatial variations of the fine structure constant, $\alpha$. We consider models with a generic gauge kinetic function and show that equivalence principle constraints impose tight limits on the allowed variations of $\alpha$ induced by string networks on cosmological scales.

13 pages, 5 figures, error in ref. [38] corrected, references added, discussion extended

References in corpus (42)

• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Preliminary Maps and Basic Results
• Cosmological Results from High-z Supernovae
• The fundamental constants and their variation: observational status and theoretical motivations
• Further Evidence for Cosmological Evolution of the Fine Structure Constant
• The Confrontation between General Relativity and Experiment
• A time varying speed of light as a solution to cosmological puzzles
• Further evidence for a variable fine-structure constant from Keck/HIRES QSO absorption spectra
• Limits on the time variation of the electromagnetic fine-structure constant in the low energy limit from absorption lines in the spectra of distant quasars
• A Simple Varying-alpha Cosmology
• A Search for Variations of Fundamental Constants using Atomic Fountain Clocks
• Probing the cosmological variation of the fine-structure constant: Results based on VLT-UVES sample
• Varying Alpha in a More Realistic Universe
• Cosmic Structure Formation with Topological Defects
• Evolution of the Fine Structure Constant Driven by Dark Matter and the Cosmological Constant
• Varying-$\alpha$ Theories and Solutions to the Cosmological Problems
• Local and Global Variations of The Fine Structure Constant
• Early-universe constraints on a time-varying fine structure constant
• Possible Constraints on the Time Variation of the Fine Structure Constant from Cosmic Microwave Background Data
• Models of quintessence coupled to the electromagnetic field and the cosmological evolution of alpha
• A Re-examination of the ${}^{187}$Re Bound on the Variation of Fundamental Couplings
• Time Variation of the Fine Structure Constant Driven by Quintessence
• Measuring $\alpha$ in the Early Universe: CMB Polarization, Reionization and the Fisher Matrix Analysis
• Reconstructing the dark energy equation of state with varying alpha
• WMAP Constraints on varying $\alpha$ and the Promise of Reionization
• Mapping the Dark Energy with Varying Alpha
• Does a varying speed of light solve the cosmological problems?
• Quintessence Models and the Cosmological Evolution of alpha
• Measuring $\alpha$ in the Early Universe: CMB Temperature, Large-Scale Structure and Fisher Matrix Analysis
• Cosmic-String-Seeded Structure Formation
• Gauge-Invariant Perturbations of Varying-Alpha Cosmologies
• Spatial Variation of the Fine-Structure Parameter and the Cosmic Microwave Background
• Cosmological perturbations and the reionization epoch
• Cosmology with Varying Constants
• Cosmology with Varying Constants
• Spatial Variations of Fundamental Constants
• Linearized Bekenstein Varying Alpha Models
• New constraints on varying $\alpha$
• Cosmic strings, loops, and linear growth of matter perturbations
• Nielsen-Olesen vortex in varying-alpha theories
• Scaling defect decay and the reionization history of the Universe
• Varying Fine-Structure Constant and the Cosmological Constant Problem
• Cosmic Numbers: A Physical Classification for Cosmological Models

Cited by in corpus (8)

• General Dynamics of Varying-Alpha Universes
• Explicit Integration of Friedmann's Equation with Nonlinear Equations of State
• New bounds on macroscopic scalar-field topological defects from non-transient signatures due to environmental dependence and spatial variations of the fundamental constants
• On the cosmological evolution of alpha and mu and the dynamics of dark energy
• Observational Constraints on Varying-alpha Domain Walls
• Evolution of the fine-structure constant in the non-linear regime
• Varying Alpha Monopoles
• Assessing the viability of successful reconstruction of the dynamics of dark energy using varying fundamental couplings