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quant-ph2026
Point-group filtering in unitary coupled-cluster ansätze: exact criticality under the Abelian filter, freeness measured near equilibrium under the full group
Leon D. da Silva, Marcelo P. Santos, Md. Zubair
Filtering a unitary coupled-cluster ansatz by molecular point-group symmetry has no settled variational cost for groups with degenerate irreducible representations. We prove that t…
quant-ph2021★ 36 cited
Double sparse quantum state preparation
Tiago M. L. de Veras, Leon D. da Silva, Adenilton J. da Silva
Initializing classical data in a quantum device is an essential step in many quantum algorithms. As a consequence of measurement and noisy operations, some algorithms need to reini…