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Holographic Complexity Equals Bulk Action

TLDR
The hypothesis that black holes are the fastest computers in nature is discussed and the conjecture that the quantum complexity of a holographic state is dual to the action of a certain spacetime region that is called a Wheeler-DeWitt patch is illustrated.
Abstract
We conjecture that the quantum complexity of a holographic state is dual to the action of a certain spacetime region that we call a Wheeler-DeWitt patch. We illustrate and test the conjecture in the context of neutral, charged, and rotating black holes in anti-de Sitter spacetime, as well as black holes perturbed with static shells and with shock waves. This conjecture evolved from a previous conjecture that complexity is dual to spatial volume, but appears to be a major improvement over the original. In light of our results, we discuss the hypothesis that black holes are the fastest computers in nature.

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Citations
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Journal ArticleDOI

Evolution of Holographic Complexity Near Critical Point.

TL;DR: In this paper, the complexity rate and saturation time of dynamical variables in dual field theory have been analyzed and it has been shown that it takes more time for the complexity in field theory dual to become time dependent as one moves away from the critical point and near the critical points the complexity starts evolving linearly in time sooner than the other points away from it.
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Spacetime as the optimal generative network of quantum states: a roadmap to QM=GR?

Xiao Dong, +1 more
TL;DR: In this paper, the authors proposed a deep learning-based mechanism for Susskind's QM=GR hypothesis, which is based on the optimal generative network of quantum states.
Journal ArticleDOI

Holographic measurement and bulk teleportation

TL;DR: In this article , the effects of local projective measurement on the entanglement structure of the boundary theory of the HaPPY code and random tensor networks have been investigated.
Posted Content

Some Aspects of Holographic Entanglement of Purification

TL;DR: In this article, the minimal area of the entanglement wedge cross section (EWCS) in Einstein gravity was examined and it was shown that it obeys the area law even in the finite temperature.
Posted Content

On the first law of holographic complexity

TL;DR: In this article, the first law of holographic complexity was examined by studying different perturbations around various spacetime backgrounds, and a general expression for the variation of the complexity on arbitrary backgrounds by an explicit covariant computation was given.
References
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Journal ArticleDOI

The world as a hologram

TL;DR: In this article, the effects of particle growth with momentum on information spreading near black hole horizons were investigated. But the authors only considered the earliest times of the propagation of information near the horizon.
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A bound on chaos

TL;DR: In this paper, a sharp bound on the rate of growth of chaos in thermal quantum systems with a large number of degrees of freedom is given, based on plausible physical assumptions, establishing this conjecture.
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Black holes and the butterfly effect

TL;DR: In this article, the authors used holography to study sensitive dependence on initial conditions in strongly coupled field theories and showed that the effect of the early infalling quanta relative to the t = 0 slice creates a shock wave that destroys the local two-sided correlations present in the unperturbed state.
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The String landscape, black holes and gravity as the weakest force

TL;DR: In this paper, an upper bound on the strength of gravity relative to gauge forces in quantum gravity was given, motivated by arguments involving holography and absence of remnants, the stability of black holes as well as the non-existence of global symmetries in string theory.

Dimensional reduction in quantum gravity

TL;DR: In this article, Abdus Salam argued that the observable degrees of freedom can best be described as if they were Boolean variables defined on a two-dimensional lattice, evolving with time.
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