Cascading gravity: extending the Dvali-Gabadadze-Porrati model to higher dimension

We present a generalization of the Dvali-Gabadadze-Porrati scenario to higher codimensions which, unlike previous attempts, is free of ghost instabilities. The 4D propagator is made regular by embedding our visible 3-brane within a 4-brane, each with their own induced gravity terms, in a flat 6D bul...

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Veröffentlicht in:	Physical review letters 2008-06, Vol.100 (25), p.251603-251603, Article 251603
Hauptverfasser:	de Rham, Claudia, Dvali, Gia, Hofmann, Stefan, Khoury, Justin, Pujolàs, Oriol, Redi, Michele, Tolley, Andrew J
Format:	Artikel
Sprache:	eng
Schlagworte:	BRANES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS FOUR-DIMENSIONAL CALCULATIONS GRAVITATION INSTABILITY MANY-DIMENSIONAL CALCULATIONS STRING THEORY
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