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SU(2) hadrons on a quantum computer

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arxiv 2102.08920 v3 pith:ZE4BCLYV submitted 2021-02-17 quant-ph hep-lat

SU(2) hadrons on a quantum computer

classification quant-ph hep-lat
keywords quantumgaugehadronscomputertheorycomputersfirstimportant
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We realize, for the first time, a non-Abelian gauge theory with both gauge and matter fields on a quantum computer. This enables the observation of hadrons and the calculation of their associated masses. The SU(2) gauge group considered here represents an important first step towards ultimately studying quantum chromodynamics, the theory that describes the properties of protons, neutrons and other hadrons. Quantum computers are able to create important new opportunities for ongoing essential research on gauge theories by providing simulations that are unattainable on classical computers. Our calculations on an IBM superconducting platform utilize a variational quantum eigensolver to study both meson and baryon states, hadrons which have never been seen in a non-Abelian simulation on a quantum computer. We develop a resource-efficient approach that not only allows the implementation of a full SU(2) gauge theory on present-day quantum hardware, but further lays out the premises for future quantum simulations that will address currently unanswered questions in particle and nuclear physics.

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Cited by 5 Pith papers

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

  1. Disorder-Free Localization and Fragmentation in a Non-Abelian Lattice Gauge Theory

    cond-mat.quant-gas 2025-05 unverdicted novelty 7.0

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  2. Faddeev description of baryons in two-dimensional QCD with $N_c=3$. I. Chiral spectrum, isospin, and strangeness

    hep-ph 2026-07 accept novelty 6.5

    A valence light-front Faddeev solution of Nc=3 QCD2 yields a massless chiral baryon, Webber’s tower, inverted Σ–Λ ordering, and protected GMO/Coleman–Glashow relations in mass squared.

  3. A collider as a quantum computer

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    Collider scattering processes such as electron-positron annihilation to muon pairs can be represented as quantum circuits with unitary and non-unitary components.

  4. A minimal implementation of Yang-Mills theory on a digital quantum computer

    hep-lat 2026-04 unverdicted novelty 6.0

    A minimal implementation of SU(N) pure Yang-Mills theory on digital quantum computers is presented with simplified Hamiltonians, improved infinite-mass convergence, and SU(2) embedding into R^4, benchmarked by Monte C...

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    quant-ph 2025-12 conditional novelty 6.0

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