Evolution of Two-Point Functions from Holography

Details Evolution of Two-Point Functions from Holography Evolution of Two-Point Functions from Holography

2011-09-16

arxiv.org/abs/1109.3571v1

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 8 figures, LaTeX

Scientific paper

We consider a thermalization process in a 2-dimensional CFT that has a holographic description in terms of the gravitational collapse of a thin shell of null dust. This model represents a sudden perturbation of the CFT vacuum that communicates a uniform energy density to the system. We study the evolution of two-point functions at spacelike separated points (t1,l) and (t2,0), and reproduce the generic pattern first derived from the analysis of quantum quenches to critical systems. A crucial characteristic of these setups is that the excitations generated by the initial perturbation presents non-trivial quantum correlations. As a consequence, for any ti

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