Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-11-20
J.Korean Phys.Soc.50:384-397,2007
Physics
High Energy Physics
High Energy Physics - Theory
25 pages, 8 figures, Added references, Falling picture elucidated
Scientific paper
10.3938/jkps.50.384
In the context of the AdS/CFT correspondence we discuss the gravity dual of a heavy-ion-like collision in a variant of ${\cal N}=4$ SYM. We provide a gravity dual picture of the entire process using a model where the scattering process creates initially a holographic shower in bulk AdS. The subsequent gravitational fall leads to a moving black hole that is gravity dual to the expanding and cooling heavy-ion fireball. The front of the fireball cools at the rate of $1/\tau$, while the core cools as $1/\sqrt{\tau}$ from a cosmological-like argument. The cooling is faster than Bjorken cooling. The fireball freezes when the dual black hole background is replaced by a confining background through the Hawking-Page transition.
Shuryak Edward
Sin Sang-jin
Zahed Ismail
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