Is the Trotterized UCCSD Ansatz Chemically Well-Defined?

@article{Grimsley2019IsTT,
  title={Is the Trotterized UCCSD Ansatz Chemically Well-Defined?},
  author={Harper R. Grimsley and D. Claudino and S. Economou and Edwin Barnes and Nicholas J Mayhall},
  journal={Journal of chemical theory and computation},
  year={2019}
}
The variational quantum eigensolver (VQE) has emerged as one of the most promising near-term quantum algorithms that can be used to simulate many-body systems such as molecular electronic structures. Serving as an attractive ansatz in the VQE algorithm, unitary coupled cluster (UCC) theory has seen a renewed interest in recent literature. However, unlike the original classical UCC theory, implementation on a quantum computer requires a finite-order Suzuki-Trotter decomposition to separate the… Expand
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