Brick-wall spectra in de Sitter space show long-range chaotic signatures via spectral form factor and Krylov complexity even when conventional level repulsion is absent.
What is the simplest linear ramp?,
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In finite-volume massive free scalar field theory after local quench, spacing ratios of two-point function extrema follow GOE statistics and an extrema-based form factor shows RMT dip-ramp-plateau.
Explicit reconstructions in modified near-horizon AdS2 and BTZ geometries recover prior non-locality estimates controlled by a throat parameter and exhibit dip-ramp-plateau spectral form factors in 3D.
citing papers explorer
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Cosmological brick walls & quantum chaotic dynamics of de Sitter horizons
Brick-wall spectra in de Sitter space show long-range chaotic signatures via spectral form factor and Krylov complexity even when conventional level repulsion is absent.
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Random matrix theory signatures in free field theory
In finite-volume massive free scalar field theory after local quench, spacing ratios of two-point function extrema follow GOE statistics and an extrema-based form factor shows RMT dip-ramp-plateau.
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Near-horizon modifications in finite $N$ holography
Explicit reconstructions in modified near-horizon AdS2 and BTZ geometries recover prior non-locality estimates controlled by a throat parameter and exhibit dip-ramp-plateau spectral form factors in 3D.