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Radiation constraints from cosmic strings
R. A. Battye, E. P. S. Shellard
We show that it is possible to evolve a network of global strings numerically including the effects of radiative backreaction, using the renormalised equations for the Kalb-Ramond…
String Radiative Backreaction
R. A. Battye, E. P. S. Shellard
We discuss radiative backreaction for global strings described by the Kalb-Ramond action with an analogous derivation to that for the point electron in classical electrodynamics. W…
Current Status of Axion Cosmology
R. A. Battye, E. P. S. Shellard
We review the current status of axion cosmology in the light of recent work. We conclude that in the standard scenario, in which a global string network forms at the Peccei-Quinn p…
Cosmic Microwave Background Radiation Anisotropy Induced by Cosmic Strings
B. Allen, R. R. Caldwell, E. P. S. Shellard +2
We report on a current investigation of the anisotropy pattern induced by cosmic strings on the cosmic microwave background radiation (MBR). We have numerically evolved a network o…
Axion String Constraints
R. A. Battye, E. P. S. Shellard
We study the production of cosmological axions in the standard scenario in which a global string network forms at the Peccei-Quinn phase transition. We make detailed calculations o…