Signatures of quantum chaos and complexity in the Ising model on random graphs (opens in new tab)

Author(s): G. J. Sreejith and Sandipan MannaWe investigate signatures of quantum chaos in the mixed-field quantum Ising model on finite-size Erdős–Rényi graphs using probes scalable on near-term quantum devices. Upon tuning the graph connectivity, the system exhibits a crossover from a localized regime at low connectivity, through a chaotic r…[Phys. Rev. B 113, 214322] Published Wed Jun 24, 2026