Quantum

Digital Quantum Simulation of Dynamics in Interacting Fields

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Briefings

A new framework for simulating energy loss and hadronization in 1+1-dimensional SU(2) lattice gauge theory was established using IBM's quantum processor. The study translates classical lattice QCD methods into physics-informed circuits, achieving $10^{-3}$ precision in digitizing continuous gauge fields with only three qubits per plaquette. A sequency hierarchy truncation method reduced circuit depth by ~30% during adiabatic preparation of the $\α\phi^4$ ground state on IBM's IBM Sherbrooke processor, while all simulations were validated against classical benchmarks.

Key points

• A scalable framework for simulating energy loss and hadronization in 1+1-dimensional SU(2) lattice gauge theory was established using IBM's quantum processor.
• Sequency Hierarchy Truncation (SeqHT) reduced circuit depth by approximately 30% during the adiabatic preparation of the $\α\phi^4$ ground state on IBM's IBM Sherbrooke processor.

Context

This research addresses the non-perturbative regime of quantum chromodynamics (QCD) where time evolution is classically intractable. The work provides a scalable framework for simulating energy loss and hadronization in 1+1-dimensional SU(2) lattice gauge theory, advancing quantum simulations of real-time QCD dynamics.

Limitations

Simulations are limited to 1+1-dimensional SU(2) lattice gauge theory and IBM's quantum processors. Resource overhead limits scaling to larger systems, and the study focuses on specific observables like energy loss and hadronization rather than full QCD dynamics.

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