arXiv · 1603.03880
Interpenetrating subspaces as a funnel to extra space
Abstract
New solution for two interpenetrating universes is found. Higher derivative gravity acting in 6-dimensional space is the basis of the study that allows to obtain stable solution without introducing matter of any sort. Stability of the solution is maintained by a difference between asymptotic behavior at spacial infinities. For an external observer such a funnel looks similar to a spherical wormhole.
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Sergey G. Rubin. 2016-06-30. Interpenetrating subspaces as a funnel to extra space. https://doi.org/10.1016/j.physletb.2016.06.031
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