Figure 2 (IMAGE)

Tohoku University

Figure 2

Caption

Comparison of quantum Fisher information calculated from three methods: theory (exact), Suzuki-Trotter approximation, and stochastic parameter shift. The stochastic method matches very well with the theory, while the Suzuki-Trotter approximation deviates from the true value and requires an infinite subdivision of the Suzuki-Trotter step to improve the accuracy.

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Tohoku University

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