The theory of variational hybrid quantum-classical algorithms

• Published in: New journal of physics Vol. 18; no. 2; pp. 23023 - 23044
• Main Authors: McClean, Jarrod R, Romero, Jonathan, Babbush, Ryan, Aspuru-Guzik, Alán
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 05.02.2016
• Subjects: Algorithms; Clusters; Correlation analysis; Optimization; Optimization techniques; Physics; quantum algorithms; quantum chemistry; quantum computation; quantum information; quantum simulation

Many quantum algorithms have daunting resource requirements when compared to what is available today. To address this discrepancy, a quantum-classical hybrid optimization scheme known as 'the quantum variational eigensolver' was developed (Peruzzo et al 2014 Nat. Commun. 5 4213) with the p...