How does the Universe expand?
arXiv:hep-th/0305204 · doi:10.1142/S0218271803004031
Abstract
Quantization of gravity suggests that a finite region of space has a finite number of degrees of freedom or `bits'. What happens to these bits when spacetime expands, as in cosmological evolution? Using gravity/field theory duality we argue that bits `fuse together' when space expands.
5 pages, 3 figures, harvmac (This essay received an "honorable mention" in the 2003 Essay Competition of the Gravity Research Foundation.)