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arXiv · hep-ph/9307346

Could There Be Something Rather Than Nothing?

W. D. Garretson·E. D. Carlson
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Abstract

There is increasing evidence that the universe may have a small cosmological constant. We suggest a scheme for naturally generating a small cosmological constant. Our idea requires the presence of a discrete accidental symmetry which is spontaneously broken by vacuum expectation values of the fields, and explicitly broken by high dimensional operators in the Lagrangian.

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W. D. Garretson, E. D. Carlson. 1993-07-27. Could There Be Something Rather Than Nothing?. https://doi.org/10.1016/0370-2693(93)91606-n

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