Relaxation of the cosmological constant in a movable brane world
arXiv:hep-th/0207258 · doi:10.1016/S0370-2693(02)03063-0
Abstract
We present numerical evidence that a domain wall in a background with varying vacuum energy density acquires velocity in the direction of decreasing Hubble parameter. This should lead to at least a partial relaxation of the cosmological constant on the wall.
10 pages, latex, 4 figures