3 papers
cond-mat.stat-mech2026
Topological spectral form factor reveals emergent non-Hermitian single-particle transitions from many-body quantum chaos
Daniel Harkin, Chun Y. Leung, Amos Chan
In equilibrium, topological defect insertions in quantum and classical partition functions provide non-perturbative probes of phase transitions beyond local observables. In non-equ…
cond-mat.stat-mech2025
Universal distributions of overlaps from generic dynamics in quantum many-body systems
Alexios Christopoulos, Amos Chan, Andrea De Luca
We study the distribution of overlaps with the computational basis of a quantum state generated under generic quantum many-body chaotic dynamics, without conserved quantities, for…
cond-mat.stat-mech2025
Many-body quantum chaos and time reversal symmetry
Weijun Wu, Saumya Shivam, Amos Chan
We investigate universal signatures of quantum chaos in the presence of time reversal symmetry (TRS) in generic many body quantum chaotic systems (gMBQCs). We study three classes o…