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Phys. Rev. D 69, 043511 (2004) [6 pages]

D-braneworld cosmology. II. Higher order corrections

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Tomoko Uesugi1, Tetsuya Shiromizu2,3,*, Takashi Torii3, and Keitaro Takahashi4
1Institute of Humanities and Sciences and Department of Physics, Ochanomizu University, Tokyo 112-8610, Japan
2Department of Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan
3Advanced Research Institute for Science and Engineering, Waseda University, Tokyo 169-8555, Japan
4Department of Physics, The University of Tokyo, Tokyo 113-0033, Japan

Received 8 October 2003; published 27 February 2004

We investigate braneworld cosmology based on the D-brane initiated in our previous paper. The brane is described by a Born-Infeld action and the gauge field is contained. The higher order corrections of an inverse string tension will be addressed. The results obtained by the truncated argument are altered by the higher order corrections. The equation of state of the gauge field on the brane is radiationlike in low energy scales and almost dustlike fluid in high energy scales. Our model is, however, limited below a critical finite value of the energy density. For the description of the full history of our Universe the presence of an S-brane might be essential.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.69.043511
DOI:
10.1103/PhysRevD.69.043511
PACS:
98.80.Cq, 04.50.+h, 11.25.Wx

*Email address: shiromizu@th.phys.titech.ac.jp

 
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