Fig. 9: Energy convergence of qubit adaptive derivative-assembled pseudo-trotter (ADAPT) noisy simulations of eg model with Adadelta optimizer. | Communications Physics

Fig. 9: Energy convergence of qubit adaptive derivative-assembled pseudo-trotter (ADAPT) noisy simulations of eg model with Adadelta optimizer.

From: Comparative study of adaptive variational quantum eigensolvers for multi-orbital impurity models

Fig. 9

The difference between the exact ground state energy EGS and qubit-ADAPT noisy simulation results, obtained with number of shots Nsh = 216 in panel (a). The energy differences evaluated using statevector for the adaptive ansätze obtained in the noisy simulations with Nsh = 216 (orange line) are shown in panel (b). The statevector simulation results (Nsh = ∞) of the qubit-ADAPT method are also shown in a blue dashed line for reference.

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