Complexity = Anything Can Grow Forever in de Sitter

Abstract

Recent developments in anti-de Sitter holography point towards the association of an infinite class of covariant objects, the simplest one being codimension-one extremal volumes, with quantum computational complexity in the microscopic description. One of the defining features of these gravitational complexity proposals is describing the persistent growth of black hole interior in classical gravity. It is tempting to assume that the gravitational complexity proposals apply also to gravity outside their native anti-de Sitter setting in which case they may reveal new truths about these cases with much less understood microscopics. Recent first steps in this direction in de Sitter static patch demonstrated a very different behavior from anti-de Sitter holography deemed hyperfast growth: diverging complexification rate after a finite time. We show that this feature is not a necessity and among gravitational complexity proposals there are ones, which predict linear or exponential late-time growth behaviors for complexity in de Sitter static patches persisting classically forever.

v2: 10 pages, 4 figures, expanded presentation, matches the published version

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Cited by in corpus (4)

• Quantum complexity in gravity, quantum field theory, and quantum information science
• Quasinormal Modes and the Switchback Effect in Schwarzschild-de Sitter
• Entanglement Entropy and Complexity in Dyonic Quantum Black Holes
• Extremal jumps of circuit complexity of unitary evolutions generated by random Hamiltonians