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Toward QCD on Quantum Computer: Orbifold Lattice Approach

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arxiv 2401.12045 v5 pith:DQREIBJH submitted 2024-01-22 hep-th hep-lathep-phnucl-thquant-ph

Georg Bergner , Masanori Hanada , Enrico Rinaldi , Andreas Schafer This is my paper · ORCID
classification hep-thhep-lathep-phnucl-thquant-ph
keywords gaugelatticeorbifoldquantumqubitsvariablesapproacharbitrary
verification ladder T0 review T1 audit T2 compute T3 formal
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We propose an orbifold lattice formulation of QCD suitable for quantum simulations. We show explicitly how to encode gauge degrees of freedom into qubits using noncompact variables, and how to write down a simple truncated Hamiltonian in the coordinate basis. We show that SU(3) gauge group variables and quarks in the fundamental representation can be implemented straightforwardly on qubits, for arbitrary truncation of the gauge manifold.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Local Thermalization of SU(2) Lattice Gauge Fields on Quantum Computers

    hep-lat 2026-03 unverdicted novelty 7.0 of 10

    Quantum hardware simulation of SU(2) lattice gauge thermalization matches classical extrapolations up to 101 plaquettes after error mitigation, establishing feasibility for chaotic quantum field systems.

  2. Eigenstate Thermalization in 1+1-Dimensional SU(2) Lattice Gauge Theory Coupled with Dynamical Fermions

    hep-th 2025-09 conditional novelty 6.0 of 10

    Exact diagonalization shows 1+1D SU(2) lattice gauge theory with dynamical fermions satisfies ETH, including for non-local string operators that display a memory peak.

  3. Exponential speedup in quantum simulation of Kogut-Susskind Hamiltonian via orbifold lattice

    quant-ph 2025-05 conditional novelty 6.0 of 10

    The Kogut-Susskind Hamiltonian is recovered from the orbifold lattice Hamiltonian in the infinite scalar mass limit, with numerical confirmation for SU(2) and SU(3) Yang-Mills theory in 2+1 dimensions.

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