Eleftherios Papantonopoulos and Vasilis Zamarias JHEP10(2004)051 doi:10.1088/1126-6708/2004/10/051
Eleftherios Papantonopoulos1,2 and Vasilis Zamarias2
Show affiliationsWe present a mechanism for exit from inflation and reheating using the AdS/CFT correspondence. A cosmological evolution is induced on a probe D3-brane as it moves in a black D-brane background of type-0 string theory. If the tachyon field is non zero, inflation is induced on the brane-universe, with the equation of state parameter in the range −1 < w < −1/3 depending on the position of the probe brane in the bulk. As the probe brane approaches the horizon of the background black hole, the inflation rate decreases and the value of w gets larger. At some critical distance away from the horizon, inflation ends. When the brane-universe reaches the horizon, the conformal invariance is restored, the background geometry becomes AdS5 × S5, and the brane-universe feels the CFT thermal radiation and reheats.
E-print Number: hep-th/0408227
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Issue 10 (October 2004)
Received 13 September 2004, accepted for publication 21 October 2004
Published 12 November 2004
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