Domain-Walls in Einstein-Gauss-Bonnet Bulk
classification
🌀 gr-qc
keywords
bulkeinstein-gauss-bonnettermwallabsenceanti-harmonicbouncecorrection
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We investigate the dynamics of a d-dimensional domain wall (DW) in a d+1-dimensional Einstein-Gauss-Bonnet (EGB) bulk. Exact effective potential induced by the Gauss-Bonnet (GB) term on the wall is derived. In the absence of the GB term we recover the familiar gravitational and anti-harmonic oscillator potentials. Inclusion of the GB correction gives rise to a minimum radius of bounce for the Friedmann-Robertson-Walker (FRW) universe expanding with a negative pressure on the DW.
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