High Energy Physics - Theory, abstract
hep-th/0501068
From: Horatiu Stefan Nastase [view email] Date (v1): Mon, 10 Jan 2005 18:51:05 GMT (10kb) Date (revised v2): Wed, 16 Feb 2005 01:02:53 GMT (11kb)
The RHIC fireball as a dual black hole
Authors:
Horatiu NastaseComments: 10 pages, latex, references added, typos corrected, comments on RHIC experimental observations added
We argue that the fireball observed at RHIC is (the analog of) a dual black hole. In previous works, we have argued that the large $s$ behaviour of the total QCD cross section is due to production of dual black holes, and that in the QCD effective field theory it corresponds to a nonlinear soliton of the pion field. Now we argue that the RHIC fireball is this soliton. We calculate the soliton (black hole) temperature, and get $T=4a <m_{\pi}>/\pi$, with $a$ a nonperturbative constant. For $a=1$, we get $175.76 MeV$, compared to the experimental value of the fireball ``freeze-out'' of about $176 MeV$. The observed $\eta/ s$ for the fireball is close to the dual value of $1/4\pi$. The ``Color Glass Condensate'' (CGC) state at the core of the fireball is the pion field soliton, dual to the interior of the black hole. The main interaction between particles in the CGC is a Coulomb potential, due to short range pion exchange, dual to gravitational interaction inside the black hole, deconfining quarks and gluons. Thus RHIC is in a certain sense a string theory testing machine, analyzing the formation and decay of dual black holes, and giving information about the black hole interior.
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