Abstract
Gravitational bags contain a domain wall outside of which they look compact, but inside there is a solution in which, in certain circumstances, the extra dimensions explode. We show that it is energetically possible for a collapse of the domain wall to lead to the creation of a huge universe containing a large quantity of entropy. This can proceed via quantum tunneling through a “wormhole” region.
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This paper is based on the essay entitled “Wormholes, Entropy and Extra-dimensions,” which received an honorable mention from the Gravity Research Foundation in 1987.
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Guendelman, E.I., Owen, D.A. Universe creation, entropy, and extra dimensions. Gen Relat Gravit 21, 201–210 (1989). https://doi.org/10.1007/BF00761088
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DOI: https://doi.org/10.1007/BF00761088