Exact solution of Pauli-noisy matchgate circuits on critical Ising states reveals a noise-induced emergent length scale that produces thermal quasiparticle distributions despite infinite-temperature dissipation, accessible via single-qubit probes.
For simplicity, we will assume the noise rates are spatially uniform, but this is not required and can be relaxed in an extremely straightforward manner
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Insights into decohered critical states using an exact solution to matchgate circuits with Pauli noise
Exact solution of Pauli-noisy matchgate circuits on critical Ising states reveals a noise-induced emergent length scale that produces thermal quasiparticle distributions despite infinite-temperature dissipation, accessible via single-qubit probes.