Toward the AdS/CFT Gravity Dual for High Energy Collisions: II. The Stress Tensor on the Boundary

Details Toward the AdS/CFT Gravity Dual for High Energy Collisions: II. The Stress Tensor on the Boundary Toward the AdS/CFT Gravity Dual for High Energy Collisions: II. The Stress Tensor on the Boundary

2007-11-05

arxiv.org/abs/0711.0736v3

Phys.Rev.D77:085014,2008

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 4 figures

Scientific paper

10.1103/PhysRevD.77.085014

In this second paper of the series we calculate the stress tensor of excited matter, created by ``debris'' of high energy collisions at the boundary. We found that massive objects (``stones'') falling into the AdS center produce gravitational disturbance which however has $zero$ stress tensor at the boundary. The falling open strings, connected to receeding charges, do produce a nonzero stress tensor which we found analytically from time-dependent linearized Einstein equations in the bulk. It corresponds to exploding non-equilibrium matter: we discuss its behavior in some detail, including its internal energy density in a comoving frame and the ``freezeout surfaces''. We then discuss what happens for the ensemble of strings.

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