3 papers
quant-ph2026
Exponential quantum speedups for near-term molecular electronic structure methods
Oskar Leimkuhler, K. Birgitta Whaley
We prove classical simulation hardness, under the generalized conjecture, for quantum circuit families with applications in near-term chemical ground st…
quant-ph2026
A quantum eigenvalue solver based on tensor networks
Oskar Leimkuhler, K. Birgitta Whaley
Electronic ground states are of central importance in chemical simulations, but have remained beyond the reach of efficient classical algorithms except in cases of weak electron co…
quant-ph2025
Efficient state preparation for the quantum simulation of molecules in first quantization
William J. Huggins, Oskar Leimkuhler, Torin F. Stetina +1
The quantum simulation of real molecules and materials is one of the most highly anticipated applications of quantum computing. Algorithms for simulating electronic structure using…