Research Paper#Quantum Computing, Gauge Theory, SU(2) Simulation🔬 ResearchAnalyzed: Jan 3, 2026 19:36
Quantum Simulation of SU(2) Gauge Theory on Quantum Computers
Published:Dec 28, 2025 04:56
•1 min read
•ArXiv
Analysis
This paper explores the quantum simulation of SU(2) gauge theory, a fundamental component of the Standard Model, on digital quantum computers. It focuses on a specific Hamiltonian formulation (fully gauge-fixed in the mixed basis) and demonstrates its feasibility for simulating a small system (two plaquettes). The work is significant because it addresses the challenge of simulating gauge theories, which are computationally intensive, and provides a path towards simulating more complex systems. The use of a mixed basis and the development of efficient time evolution algorithms are key contributions. The experimental validation on a real quantum processor (IBM's Heron) further strengthens the paper's impact.
Key Takeaways
- •Successfully simulates SU(2) gauge theory on a quantum computer.
- •Develops efficient algorithms for time evolution in the mixed basis.
- •Achieves high precision with a small number of qubits per plaquette.
- •Validates results on a real quantum processor (IBM Heron).
- •Lays the groundwork for simulating larger and more complex systems.
Reference
“The paper demonstrates that as few as three qubits per plaquette is sufficient to reach per-mille level precision on predictions for observables.”