“School of Physic”
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| Paper IPM / Physic / 14680 |
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Using the gauge/gravity duality, we investigate the evolution of a strongly-coupled plasma
which is initially anisotropic and/or non-conformal, from the viewpoint of the two-point function
of scalar gauge-invariant operators with large conformal dimension. Considering various functions
for the initial anisotropy and scalar field, we conclude that the effect of the anisotropy on the
evolution of the two-point function is considerably more than the effect of the scalar field. We also
show that the ordering of the equilibration time of the equilibration time of one-point function
of the scalar field and the correlation function between two points with a fixed separation can be
reversed by changing the initial configuration of the plasma, when there are at least two sources
for driving the system out of the equilibrium. In addition, we find the equilibration time of the
two-point function to be linearly increasing with respect to the separation of the two points with a
fixed slope, regardless of the initial configuration that we start with. Finally we observe that, for
larger separations the geodesic connecting two points on the boundary crosses the event horizon
after it has reached its final equilibrium value, meaning that the two-point function can probe
behind the event horizon.
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