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RÉSOLVEUR DE VALEURS PROPRES QUANTIQUES VARIATIONNELLES EFFICACE SUR LE PLAN MATÉRIEL POUR DISPOSITIFS INFORMATIQUES QUANTIQUES
RÉSOLVEUR DE VALEURS PROPRES QUANTIQUES VARIATIONNELLES EFFICACE SUR LE PLAN MATÉRIEL POUR DISPOSITIFS INFORMATIQUES QUANTIQUES
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摘要
Generating trial states for a variational quantum Eigenvalue solver (VQE) using a quantum computer is described. An example method includes selecting a number of samples S to capture from qubits for a particular trial state. The method further includes mapping a Hamiltonian to the qubits according the trial state. The method further includes setting up an entangler in the quantum computer, the entangler defining an entangling interaction between a subset of the qubits of the quantum computer. The method further includes reading out qubit states after post-rotations associated with Pauli terms in the target Hamiltonian, the reading out being performed for S samples. The method further includes computing an energy state using the S qubit states. The method further includes, in response to the estimated energy state not converging with an expected energy state, computing a new trial state for the VQE and iterating to compute the estimated energy using the new trial state.
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