Specific dynamics for the Domain-Walls in Einstein-Maxwell-Dilaton theory

Details Specific dynamics for the Domain-Walls in Einstein-Maxwell-Dilaton theory Specific dynamics for the Domain-Walls in Einstein-Maxwell-Dilaton theory

2011-02-12

arxiv.org/abs/1102.2501v2

Class. Quantum Grav. 29 (2012) 065013

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, 4 figures, final version to appear in Classical and Quantum Gravity (CQG)

Scientific paper

10.1088/0264-9381/29/6/065013

We consider Einstein-Maxwell-Dilaton (EMD) Lagrangian supplemented by double Liouville potentials to enrich our system and investigate the resulting dynamics. The general solution provides us alternative structures induced on the 3-dimensional domain wall (DW) moving in the 4-dimensional bulk. In particular, the local maximum in the potential suggests a maximum bounce (or onset for a contraction phase) of the 3-dimensional Friedmann-Robertson-Walker (FRW) universe on the DW. Depending on the choice of parameters we plot various cases of physical interest.

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