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Gauge invariant cosmological perturbation theory for braneworlds

Riazuelo, Alain
Steer, Danièle
Year 2002
Description 72 p.
Abstract We derive the gauge invariant perturbation equations for a 5-dimensional bulk spacetime in the presence of a brane. The equations are derived in full generality, without specifying a particular energy content of the bulk or the brane. We do not assume Z 2 symmetry, and show that the degree of freedom associated with brane motion plays a crucial role. Our formalism may also be used in the Z 2 symmetric case where it simplifies considerably.
Stable URL http://archive-ouverte.unige.ch/unige:1024
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