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Tensor Networks and their use for Lattice Gauge Theories

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arxiv 1810.12838 v2 pith:SIM4ONOE submitted 2018-10-30 hep-lat

Tensor Networks and their use for Lattice Gauge Theories

classification hep-lat
keywords latticetensordimensionalgaugenetworksproblemproblemssign
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Tensor Network States are ans\"atze for the efficient description of quantum many-body systems. Their success for one dimensional problems, together with the fact that they do not suffer from the sign problem and can address the simulation of real time evolution, have turned them into one of the most promising techniques to study strongly correlated systems. In the realm of Lattice Gauge Theories they can offer an alternative to standard lattice Monte Carlo calculations, which are suited for static properties and regimes where no sign problem appears. The application of Tensor Networks to this kind of problems is a young but rapidly evolving research field. This paper reviews some of the recent progress in this area, and how, using one dimensional models as testbench, some fundamental milestones have been reached that may pave the way to more ambitious goals.

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Cited by 7 Pith papers

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

  1. Hadronic scattering in (1+1)D SU(2) lattice gauge theory from tensor networks

    hep-lat 2025-10 conditional novelty 8.0

    First tensor-network simulation of real-time hadronic scattering in (1+1)D SU(2) lattice gauge theory reveals entanglement and spatial delocalization in the baryon-number-one sector at strong coupling.

  2. Observation of glueball excitations and string breaking in a $2+1$D $\mathbb{Z}_2$ lattice gauge theory on a trapped-ion quantum computer

    hep-lat 2026-04 unverdicted novelty 7.0

    A trapped-ion quantum computer simulates 2+1D Z2 lattice gauge theory dynamics, revealing glueball excitations and multi-order string breaking.

  3. Quantum simulation of baryon scattering in SU(2) lattice gauge theory

    hep-lat 2026-04 unverdicted novelty 7.0

    Tensor-network simulation of SU(2) lattice gauge theory shows elastic scattering for B=0 and B=2 but entanglement-driven delocalization in the B=1 meson-baryon channel.

  4. Infinite matrix product states for $(1+1)$-dimensional gauge theories

    hep-th 2025-08 unverdicted novelty 7.0

    A matrix product operator construction using link-enhanced MPOs enables infinite-lattice simulations of (1+1)D gauge theories with manifest translation invariance and symmetry.

  5. Dynamics of entanglement entropy for a locally monitored lattice gauge theory

    quant-ph 2026-03 reject novelty 5.0

    Local projective measurements of electric flux and mass density in a 1+1D Z2 gauge theory yield size-independent late-time entanglement saturation, indicating no measurement-induced phase transition in the no-click limit.

  6. Effects of monitoring on entanglement dynamics for $1+1$D $\mathbb Z_2$ lattice gauge theory

    quant-ph 2026-03 conditional novelty 5.0

    In the no-click limit, both local and non-local monitoring of a 1+1D Z2 lattice gauge theory produce late-time entanglement saturation values that are independent of system size, giving no evidence of a measurement-in...

  7. Quantum Simulation of Nucleon-Antinucleon Interaction in Large-$N$ QCD$_2$ on an IBM Quantum Nighthawk Processor

    quant-ph 2026-06 unverdicted novelty 4.0

    Quantum simulation on IBM Nighthawk extracts attractive kink-antikink potential in large-N QCD2 mapped to XXZ chain, agreeing with exact diagonalization benchmarks.