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quant-ph2026
Three Hamiltonians are Sufficient for Unitary -Design in Temporal Ensemble
Yi-Neng Zhou, Tian-Gang Zhou, Julian Sonner
Unitary -designs are central to quantum information and quantum many-body physics, as they provide efficient proxies for Haar-random dynamics. We study how chaotic Hamiltonian e…
quant-ph2026
Critical behaviors of magic and participation entropy at measurement induced phase transitions
Eliot Heinrich, Hanchen Liu, Tianci Zhou +1
We study the participation and stabilizer entropy of non-unitary quantum circuit dynamics, focusing on the critical line that separates the low-entanglement spin-glass phase and th…