Fig. 3: Potential energy curves in unit Hartree of the hydrogen molecule computed with UCCSD.
From: Towards practical and massively parallel quantum computing emulation for quantum chemistry
The basis sets are STO-3G, cc-pVDZ, cc-pVTZ, and aug-cc-pVTZ, which correspond to 4, 20, 56, and 92 qubits, respectively. The results of full configuration interaction calculations at the complete basis set limit are provided for comparison.
