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Lightlike Braneworlds

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arxiv 0711.1841 v1 pith:5ZW3535J submitted 2007-11-12 hep-th gr-qc

classification hep-thgr-qc
keywords braneworldslightlikedimensionsbackgroundsbranesbrieflyclasscodimenion
verification ladder T0 review T1 audit T2 compute T3 formal
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We propose a new class of p-brane models describing intrinsically lightlike branes in any world-volume dimensions. Properties of the dynamics of these lightlike p-branes in various gravitational backgrounds of interest in the context of braneworlds are briefly described. Codimenion two (and more) lightlike braneworlds perform in their ground states non-trivial motions in the extra dimensions in sharp contrast to standard (Nambu-Goto) braneworlds.

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