Disentangling Expressibility, Symmetry Protection, and Hardware Noise in Variational Quantum Simulation of the Two-Flavor Schwinger Model

arXiv:2609.30496 · quant-ph, hep-lat · Submitted 2026-09-24 · Read on arXiv

quant-ph, hep-lat

Submitted: 2026-09-24

Updated: 2026-09-24

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fidelity — 19× in this paper · explained in 2 episodes
• Entanglement — 15× in this paper · explained in 3 episodes
• Benchmark — 7× in this paper · explained in 2 episodes
• First-Order Transition — 6× in this paper · explained in 2 episodes
• Entanglement Entropy — 5× in this paper · explained in 2 episodes
• Accuracy — 4× in this paper · explained in 1 episode
• Variational Quantum Eigensolver — 4× in this paper
• Trace — 3× in this paper · explained in 2 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Quantum Circuits — 2× in this paper · explained in 2 episodes
• Variational Quantum Eigensolver (VQE) — 2× in this paper · explained in 5 episodes
• Verification — 2× in this paper · explained in 2 episodes
• Alternation — 1× in this paper · explained in 1 episode
• Entropy Collapse — 1× in this paper · explained in 2 episodes
• Hilbert Space — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes

Sources

• Variational Quantum Simulation of the Interacting Schwinger Model on a Trapped-Ion Quantum Processor
• (2+1)D quantum electrodynamics at finite density on a quantum computer
• Simulating Lattice Gauge Theories with Virtual Rishons

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