Fundamental cosmic strings

Abstract

Cosmic strings are linear concentrations of energy that may be formed at phase transitions in the very early universe. At one time they were thought to provide a possible origin for the density inhomogeneities from which galaxies eventually develop, though this idea has been ruled out, primarily by observations of the cosmic microwave background (CMB). Fundamental strings are the supposed building blocks of all matter in superstring theory or its modern version, M-theory. These two concepts were originally very far apart, but recent developments have brought them closer. The `brane-world' scenario in particular suggests the existence of macroscopic fundamental strings that could well play a role very similar to that of cosmic strings. In this paper, we outline these new developments, and also analyze recent observational evidence, and prospects for the future.

Review to appear in Contemporary Physics

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Cited by in corpus (94)

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• Gravitational lensing by cosmic strings: what we learn from the CSL-1 case
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• Singular inverse square potential in arbitrary dimensions with a minimal length: Application to the motion of a dipole in a cosmic string background
• Velocity-Dependent Models for Non-Abelian/Entangled String Networks
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• Cosmic strings in $f\left(R,L_m\right)$ gravity
• Gravitational Wave Bursts from Cosmic Superstrings with Y-junctions
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• Giant vortices, vortex rings and reentrant behavior in type-1.5 superconductors
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• Heterotic Cosmic Strings
• Abelian-Higgs strings in Rastall gravity
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• Topological Defects from First Order Gauge Theory Phase Transitions
• Cosmic strings in a space-time with positive cosmological constant
• Cosmic Super-Strings and Kaluza-Klein Modes
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• Brane World Cosmic String Interaction
• A Tutorial on Links between Cosmic String Theory and Superstring Theory
• P-term Strings and Semi-local Strings
• Cosmic string with two interacting scalar fields
• Investigating cosmic strings using large-volume hydrodynamical simulations in the context of JWST's massive UV-bright galaxies
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