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Why do we live in 3+1 dimensions?
journal contribution
posted on 2023-06-08, 05:38 authored by R Durrer, M Kunz, M SakellariadouIn the context of string theory we argue that higher-dimensional Dp-branes unwind and evaporate so that we are left with D3-branes embedded in a (9+1)-dimensional bulk. One of these D3-branes plays the rle of our Universe. Within this picture, the evaporation of the higher-dimensional Dp-branes provides the entropy of our Universe.
History
Publication status
- Published
Journal
Physics Letters BISSN
0370-2693Publisher
ElsevierExternal DOI
Issue
3-4Volume
614Page range
125-130Department affiliated with
- Physics and Astronomy Publications
Notes
Describes how in string theory branes are thought to annihilate with each other, until only 3-dimensional branes are left, to explain why we live in three spatial dimensions. Featured on Physicswatch (CERN) and in the February 5 2005 issue of the New Scientist. (29 HEP/SPIRES citations)Full text available
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Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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