Framework for Robust Quantum Speedups in Practical Correlated Electronic Structure and Dynamics

Jielun Chen; Garnet Kin-Lic Chan

doi:10.1103/v2ms-wmz1

Framework for Robust Quantum Speedups in Practical Correlated Electronic Structure and Dynamics

Jielun Chen ^1,2 and Garnet Kin-Lic Chan^3,2,4,*

¹Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, California 91125, USA
²Institute for Quantum Information and Matter, Pasadena, California 91125, USA
³Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA
⁴Marcus Center for Theoretical Chemistry, Pasadena, California 91125, USA

^*Contact author: garnetc@caltech.edu

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Phys. Rev. Lett. 137, 130601 – Published 21 September, 2026

DOI: https://doi.org/10.1103/v2ms-wmz1

Abstract

Proposed quantum advantage in electronic structure has so far required significant fine-tuning to find problems where classical heuristics fail. We describe how to obtain robust quantum speedups for correlated electronic structure and dynamics precisely in the regime where widely used classical heuristics are most successful.

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Framework for Robust Quantum Speedups in Practical Correlated Electronic Structure and Dynamics

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