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quant-ph2024
A noise-limiting quantum algorithm using mid-circuit measurements for dynamical correlations at infinite temperature
Etienne Granet, Henrik Dreyer
It is generally considered that the signal output by a quantum circuit is attenuated exponentially fast in the number of gates. This letter explores how algorithms using mid-circui…
quant-ph2023
Antiunitary symmetry breaking and a hierarchy of purification transitions in Floquet non-unitary circuits
Carolyn Zhang, Etienne Granet
We consider how a maximally mixed state evolves under Floquet non-unitary circuits with an antiunitary symmetry that squares to identity, that serves as a generalized $\ma…