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fixed-depth Trotter simulation

technology1 mentionslast seen Oct 20, 2026

A method for structuring hardware noise in digital many-body dynamics by keeping the number of circuit layers fixed throughout time scans.

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fixed-depth Trotter simulation

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fixed-depth Trotter simulationdepends onstationary channel

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preprintarXivOct 16, 2026Noise structuring in fixed-depth Trotter simulation: stationary channels and observable-level depolarization
fixed-depth Trotter simulation as a method for structuring hardware noise in digital many-body dynamics. The number of layers is chosen using the largest endpoint time and is then kept fixed throughout the time scan, making the total noise dose approximately independent of the endpoint time. For local stochastic faults, we show that, once propagated faults lose memory of their insertion layer, the noisy circuit factorizes into ideal evolution followed by a stationary finite-depth binomial channel.