%0 Journal Article %D 2023 %T Ever more optimized simulations of fermionic systems on a quantum computer %A Qingfeng Wang %A Ze-Pei Cian %A Ming Li %A Igor L. Markov %A Yunseong Nam %X

Despite using a novel model of computation, quantum computers break down programs into elementary gates. Among such gates, entangling gates are the most expensive. In the context of fermionic simulations, we develop a suite of compilation and optimization techniques that massively reduce the entangling-gate counts. We exploit the well-studied non-quantum optimization algorithms to achieve up to 24\% savings over the state of the art for several small-molecule simulations, with no loss of accuracy or hidden costs. Our methodologies straightforwardly generalize to wider classes of near-term simulations of the ground state of a fermionic system or real-time simulations probing dynamical properties of a fermionic system. 

%8 3/6/2023 %G eng %U https://arxiv.org/abs/2303.03460