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From transistor to trapped-ion computers for quantum chemistry
M. -H. Yung, J. Casanova, A. Mezzacapo +4
Over the last few decades, quantum chemistry has progressed through the development of computational methods based on modern digital computers. However, these methods can hardly fu…
A variational eigenvalue solver on a quantum processor
Alberto Peruzzo, Jarrod McClean, Peter Shadbolt +5
Quantum computers promise to efficiently solve important problems that are intractable on a conventional computer. For quantum systems, where the dimension of the problem space gro…
Feynman's clock, a new variational principle, and parallel-in-time quantum dynamics
Jarrod R. McClean, John A. Parkhill, Alán Aspuru-Guzik
We introduce a new discrete-time variational principle inspired by the quantum clock originally proposed by Feynman, and use it to write down quantum evolution as a ground state ei…