Critical gravitational collapse: towards a holographic understanding of the Regge region

Details Critical gravitational collapse: towards a holographic understanding of the Regge region Critical gravitational collapse: towards a holographic understanding of the Regge region

2008-04-09

arxiv.org/abs/0804.1464v1

Nucl. Phys. B806 (2009) 327

Physics

High Energy Physics

High Energy Physics - Theory

81 pages, 31 figures

Scientific paper

10.1016/j.nuclphysb.2008.08.016

We study the possible holographic connection between the Regge limit in QCD and critical gravitational collapse of a perfect fluid in higher dimensions. We begin by analyzing the problem of critical gravitational collapse of a perfect fluid in any number of dimensions and numerically compute the associated Choptuik exponent in d=5, 6 and 7 for a range of values of the speed of sound of the fluid. Using continuous self-similarity as guiding principle, a holographic correspondence between this process and the phenomenon of parton saturation in high-energy scattering in QCD is proposed. This holographic connection relates strong gravitational physics in the bulk with (nonsupersymmetric) QCD at weak coupling in four dimensions.

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