On Relationship Between Circuit Depth and Trainability of VQAs

arXiv:2609.27488 · quant-ph · Submitted 2026-09-23 · Read on arXiv

quant-ph

Submitted: 2026-09-23

Updated: 2026-09-23

Code: https://github.com/HonzaTheGreat/vqa-landscape-geometry

Terminology

• Hubbard Model — 24× in this paper · explained in 3 episodes
• Hilbert Space — 7× in this paper · explained in 2 episodes
• Wishart Hypertoroidal Random Field — 3× in this paper
• Clustering — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Quantum Circuits — 1× in this paper · explained in 2 episodes

Sources

• Tapering off qubits to simulate fermionic Hamiltonians

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