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Cosmic-String-Seeded Structure Formation
P. P. Avelino, E. P. S. Shellard, J. H. P. Wu +1
We describe the results of high-resolution numerical simulations of string-induced structure formation in open universes and those with a non-zero cosmological constant. For models…
Galactic Magnetic Fields from Superconducting Strings
C. J. A. P. Martins, E. P. S. Shellard
We use a simple analytic model for the evolution of currents in superconducting strings to estimate the strength of the `seed' magnetic fields generated by these strings. This mode…
Recent Perspectives on Axion Cosmology
R. A. Battye, E. P. S. Shellard
We review current cosmological constraints on the axion. We describe the basic mechanisms by which axions are created in the early universe, focussing on the standard thermal scena…
Gravitational Waves From Cosmic Strings
R. A. Battye, R. R. Caldwell, E. P. S. Shellard
Gravitational waves from cosmic strings are generated in the first fractions of a second after the Big Bang, potentially providing a unprecedented probe of the early universe. We d…