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quant-ph2025
Crystalline Spectral Form Factors
Dmitrii A. Trunin, David A. Huse
We investigate crystalline-like behavior of the spectral form factor in unitary quantum systems with extremely strong eigenvalue repulsion. Using a low-temperature Coulomb gas as a…
quant-ph2024★ 6 cited
Streamlined Krylov construction and classification of ergodic Floquet systems
Nikita Kolganov, Dmitrii A. Trunin
We generalize Krylov construction to periodically driven (Floquet) quantum systems using the theory of orthogonal polynomials on the unit circle. Compared to other approaches, our…