A many-universe theory of the cosmological constant or warm universe in the googolplexus

Details A many-universe theory of the cosmological constant or warm universe in the googolplexus A many-universe theory of the cosmological constant or warm universe in the googolplexus

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nuphb.345..281c&link_type=abstract

Nuclear Physics B, Volume 345, Issue 1, p. 281-298.

Physics

Nuclear Physics

3

Scientific paper

We reexamine the discouraging conclusion of Fischler, Klebanov, Polchinski and Susskind that second quantization of the Wheeler-DeWitt equation leads to the production of only cold and empty universes with vanishing cosmological constant Λ. We argue that if gravity is coupled to a scalar field with a suitable inflationary potential, the number of created universes which have at least one warm, inhabitable region by late times is exponentially peaked at Λ = 0. This appears to be a viable solution to the cosmological constant problem, invoking the weak anthropic principle in a natural way.

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