Abstract
It is shown that the ansatz of Chung-Freese models a new braneworld, and while superluminal, this braneworld does not suffer from the pathologies of other FTL methods. It is also shown that our universe is a trapped surface inside a universe with large extra dimensions, and in order to preserve compatibility with the Standard Model (SM), we present two trapping mechanisms that keeps SM fields inside our brane. For the Chung-Freese braneworld we develop a similar formalism to Morris domain walls, and we present our universe as a low level state in a potential well with the bulk in the highest levels of potential. Finally, we show that the Israel condition can also act as a trapping mechanism for SM fields inside the brane. Our model uses the idea that fermions are allowed to escape to the bulk inspired by the work of Havoudiasl-Hewett-Rizzo [2].
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References
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Loup, F., Santos, P.A. & Santos, D.M.d.S. The Dynamics of Chung-Freese Braneworld. General Relativity and Gravitation 35, 2035–2044 (2003). https://doi.org/10.1023/A:1026299010288
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DOI: https://doi.org/10.1023/A:1026299010288