Selecting a handful of Pauli terms from the problem Hamiltonian yields short-depth VQE trial wavefunctions that reach chemical accuracy for H2, LiH, and H2O, with only four variational parameters for LiH.
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Short-depth trial-wavefunctions for the variational quantum eigensolver based on the problem Hamiltonian
Selecting a handful of Pauli terms from the problem Hamiltonian yields short-depth VQE trial wavefunctions that reach chemical accuracy for H2, LiH, and H2O, with only four variational parameters for LiH.