Pole-skipping in the de Sitter horizon structure
Abstract
We study the pole-skipping structure of incoming waves near the cosmic horizon in de Sitter (dS) spacetime. We find that the scalar field with spin-0, the Dirac field with spin-1/2, the Maxwell field with spin-1, the Rarita-Schwinger field with spin-3/2, and the gravitational field with spin-2 exhibit the same frequencies of pole-skipping points as their corresponding spin fields satisfying the incoming wave conditions in anti-de Sitter (AdS) spacetime. However, the momenta undergo a shift in complex space, which originates from the spacetime curvature. The shift in momenta at the pole-skipping points could be measured through the operator dimensions in two curved spacetimes, where momenta are mutually complex conjugate in dS and AdS, two opposite curvature spacetimes.
Cite
@article{arxiv.2512.19087,
title = {Pole-skipping in the de Sitter horizon structure},
author = {Haiming Yuan and Xian-Hui Ge and Keun-Young Kim},
journal= {arXiv preprint arXiv:2512.19087},
year = {2026}
}