2007/09/30 by Zhong Chao Wu
Physics and Astronomy · #gr-qc #astro-ph #hep-th
paper · pdf · doi:10.1016/j.physletb.2007.12.019
published as Phys.Lett.B659:891-893,2008 · 6 pages, modified version
arxiv created 2007/11/10 · arxiv updated 2009/12/01
Hawking proposed that the cosmological constant is probably zero in quantum cosmology. Duff claimed that Hawking's proof is invalidated. Using the right configuration for the wave function of the universe, we provide a complete proof.