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quant-ph2026
Diffusive Relaxation of Participation Entropy in U(1)-symmetric Dynamics
Hanchen Liu, Tianci Zhou, Xiao Chen
Participation entropy (PE) quantifies the spread of a many-body wavefunction across configuration space. While PE relaxes rapidly in generic chaotic systems, we show that $\mathrm{…
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…