# Dynamical solution of supergravity

1 APC - THEORIE
APC (UMR_7164) - AstroParticule et Cosmologie, Institut für theoretische Physik
Abstract : We present a class of dynamical solutions for an intersecting D4-D8 brane system in ten-dimensional type IIA supergravity. The dynamical solutions reduces to a static warped AdS_6 x S^4 geometry in a certain spacetime region. We also consider lower-dimensional effective theories for the warped compactification of general p-brane system. It is found that an effective (p+1)-dimensional description is not possible in general due to the entanglement of the transverse coordinates and the (p+1)-dimensional coordinates in the metric components. Then we discuss cosmological solutions. We find a solution that behaves like a Kasner-type cosmological solution at $\tau\to\infty$, while it reduces to a warped static solution at $\tau\to0$, where $\tau$ is the cosmic time.
Document type :
Conference papers

http://hal.in2p3.fr/in2p3-00249970
Contributor : Simone Lantz <>
Submitted on : Friday, February 8, 2008 - 3:27:23 PM
Last modification on : Thursday, September 17, 2020 - 12:30:07 PM

### Identifiers

• HAL Id : in2p3-00249970, version 1
• ARXIV : 0801.3507

### Citation

P. Binétruy, M. Sasaki, K. Uzawa. Dynamical solution of supergravity. 17th Workshop on General Relativity and Gravitation - JGRG17, Dec 2007, Nagoya, Japan. ⟨in2p3-00249970⟩

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