Nonorthogonal variational quantum simulation for quantum chemistry

arXiv:2609.29337 · quant-ph · Submitted 2026-09-24 · Read on arXiv

quant-ph

Submitted: 2026-09-24

Updated: 2026-09-24

Code: https://github.com/zongkangzhang/novqs

Terminology

• Quantum Circuits — 15× in this paper · explained in 2 episodes
• Accuracy — 14× in this paper · explained in 1 episode
• Fidelity — 9× in this paper · explained in 2 episodes
• Benchmark — 7× in this paper · explained in 2 episodes
• Entanglement — 4× in this paper · explained in 3 episodes
• Fisher Information — 3× in this paper · explained in 3 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Ancilla Qubits — 2× in this paper · explained in 1 episode
• Benchmarking — 2× in this paper · explained in 3 episodes
• Block Encoding — 2× in this paper · explained in 4 episodes
• Regularization — 2× in this paper · explained in 3 episodes
• Trace Distance — 2× in this paper · explained in 3 episodes
• Ab Initio — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Entanglement Entropy — 1× in this paper · explained in 2 episodes
• Heisenberg Scaling — 1× in this paper · explained in 4 episodes
• Hubbard Model — 1× in this paper · explained in 3 episodes
• Lindblad Dynamics — 1× in this paper · explained in 2 episodes
• Magnus Expansion — 1× in this paper · explained in 4 episodes
• Parameter Efficiency — 1× in this paper · explained in 3 episodes
• Post-Selection — 1× in this paper · explained in 2 episodes
• Quantum Physics — 1× in this paper · explained in 10 episodes
• Shadow Tomography — 1× in this paper · explained in 4 episodes
• Stochastic Dynamics — 1× in this paper · explained in 2 episodes
• Variational Monte Carlo (VMC) — 1× in this paper · explained in 2 episodes
• Variational Quantum Eigensolver (VQE) — 1× in this paper · explained in 5 episodes

Sources

• Resonant two-qubit gates for fermionic simulations with spin qubits
• PennyLane: Automatic differentiation of hybrid quantum-classical computations
• Tutorial on the Quantikz Package

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