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quant-ph2026
Out-of-Time-Ordered Correlators Beyond Lindblad
Elisa Vallini, Felix Fritzsch, Pieter W. Claeys
Out-of-time-ordered correlators (OTOCs) provide a powerful probe of quantum chaos and scrambling. While the Lindblad formalism is often used to describe OTOCs in open systems, micr…
quant-ph2026
Colored Weingarten Calculus for Block-Unitary Ensemble
Daniele Iannotti, Elisa Vallini
Haar randomness is the standard null model for quantum typicality, scrambling, and random-matrix formulations of thermalization. In many physical settings, however, randomness is n…