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We determine holographically 2-point correlators of gauge invariant operatorswith large conformal weights and entanglement entropy of strips for atime-dependent anisotropic 5-dimensional asymptotically anti-de Sitterspacetime. At the early stage of evolution where geodesics and extremalsurfaces can extend beyond the apparent horizon all observables varysubstantially from their thermal value, but thermalize rapidly. At late timeswe recover quasi-normal ringing of correlators and holographic entanglemententropy around their thermal values, as expected on general grounds. We checkthe behaviour of holographic entanglement entropy and correlators as functionof the separation length of the strip and find agreement with the exactexpressions derived in the small and large temperature limits.

Evolution of holographic entanglement entropy in an anisotropic system