Author

Sagnik Banerjee

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Preprint Aug 2026

Determinant Quantum-Quantum Monte Carlo: Coherent Auxiliary-Field Sampling

We introduce determinant quantum-quantum Monte Carlo (DQ$^2$MC), a quantum algorithm that lifts the auxiliary-field sampling and averaging at the operational core of determinant quantum Monte Carlo onto a quantum computer. A determinant oracle synthesizes the DQMC amplitudes directly from a block encoding of the single...

Xue-Peng Wang, Sagnik Banerjee, Debanjan Chowdhury · 0 citations