76 citations · 240 across the 4 of their papers we have counts for
4 papers
Some stationary properties of a -ball in arbitrary space dimensions
Mitsuo I. Tsumagari, Edmund J. Copeland, Paul M. Saffin
Introducing new physically motivated ansätze, we explore both analytically and numerically the classical and absolute stabilities of a single -ball in an arbitrary number of spa…
On the Collision of Cosmic Superstrings
E. J. Copeland, H. Firouzjahi, T. W. B. Kibble +1
We study the formation of three-string junctions between (p,q)-cosmic superstrings, and collisions between such strings and show that kinematic constraints analogous to those found…
Kinematic Constraints on Formation of Bound States of Cosmic Strings - Field Theoretical Approach
P. Salmi, A. Achucarro, E. J. Copeland +3
Superstring theory predicts the potential formation of string networks with bound states ending in junctions. Kinematic constraints for junction formation have been derived within…
Super-inflation in Loop Quantum Cosmology
E. J. Copeland, D. J. Mulryne, N. J. Nunes +1
We investigate the dynamics of super-inflation in two versions of Loop Quantum Cosmology, one in which the Friedmann equation is modified by the presence of inverse volume correcti…