Figure 2 | Scientific Reports

Figure 2

From: Solving Quantum Ground-State Problems with Nuclear Magnetic Resonance

Figure 2

(Color online) (a) The quantum circuit diagram for the experiment.

The explicit construction of the unitary operators W and V(t) is detailed in the Appendix31. The quantum gates enclosed in a box in (a) (and pulse sequences in (b)) generate the input state |ψ *〉, which is an optimized variational state with respect to the Hamiltonian defined in equation (3). (b) The entire pulse sequence corresponds to the quantum circuit diagram for the case of zero external field, h = 0. The complexity and the lengths of the pulse sequences for the other cases, namely h = 0.75hc and h = 1.25hc , are roughly the same as this pulse sequence.

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