3 papers
hep-th2006
Cosmological Solutions of Low-Energy Heterotic M-Theory
Edmund J. Copeland, James Ellison, Andre Lukas +1
We derive a set of exact cosmological solutions to the D=4, N=1 supergravity description of heterotic M-theory. Having identified a new and exact SU(3) Toda model solution, we then…
hep-th2005
The Isometries of Low-Energy Heterotic M-Theory
E. J. Copeland, J. Ellison, A. Lukas +1
We study the effective D=4, N=1 supergravity description of five-dimensional heterotic M-theory in the presence of an M5 brane, and derive the Killing vectors and isometry group fo…
hep-th2003
The Stability of Branonium
James Ellison, Andre Lukas
We analyse the orbital motion of a light anti D6-brane in the presence of a stack of heavy, distant D6-branes in ten dimensions, taking account of possible time-variations in the b…