Creation of Closed or Open Universe from Constrained Instanton

Details Creation of Closed or Open Universe from Constrained Instanton Creation of Closed or Open Universe from Constrained Instanton

1998-03-15

arxiv.org/abs/hep-th/9803121v1

Gen.Rel.Grav. 30 (1998) 1639

Physics

High Energy Physics

High Energy Physics - Theory

5 pages, modified

Scientific paper

In the no-boundary univers e the universe is created from an instanton.
However, there does not exist any instanton for the ``realistic'' $FRW$
universe with a scalar field. The ``instanton'' leading to its quantum creation
may be modified and reinterpreted as a constrained gravitational instanton.

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