Phys. Rev. Lett. 86, 1682–1685 (2001)Brane World Solution to the Cosmological Constant ProblemReceived 9 June 2000; published in the issue dated 26 February 2001 We consider a model with two parallel (positive tension) 3-branes separated by a distance L in five-dimensional spacetime. If the interbrane space is anti–de Sitter, or is not precisely anti–de Sitter but contains no event horizons, the effective four-dimensional cosmological constant seen by observers on one of the branes (chosen to be the visible brane) becomes exponentially small as L grows large. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.1682
DOI:
10.1103/PhysRevLett.86.1682
PACS:
04.50.+h, 11.10.Kk, 98.80.Cq, 98.80.Hw
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