paper

Holographic Complexity Bounds

arXiv:1910.10723 · doi:10.1007/JHEP07(2020)090

Abstract

We study the action growth rate in the Wheeler-DeWitt (WDW) patch for a variety of black holes in Einstein gravity that are asymptotic to the anti-de Sitter spacetime, with spherical, toric and hyperbolic horizons, corresponding to the topological parameter respectively. We find a lower bound inequality for , where is some order-one numerical constant. The lowest number in our examples is . We also find that the quantity is greater than, equal to, or less than zero, for respectively. For black holes with two horizons, , i.e. the difference between the thermodynamical volumes of the outer and inner horizons. For black holes with only one horizon, we introduce a new concept of the volume of the black hole singularity, and define . The volume vanishes for the Schwarzschild black hole, but in general it can be positive, negative or even divergent. For black holes with single horizon, we find a relation between and , which implies that the holographic complexity preserves the Lloyd's bound for positive or vanishing , but the bound is violated when becomes negative. We also find explicit black hole examples where and hence are divergent.

arXiv commentLatex, 49 pages, typos corrected and references added

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