Non-Perturbative Topological Gadgets for Many-Body Coupling

arXiv:2506.05323 · quant-ph · Submitted 2025-06-05 · Read on arXiv

quant-ph

Submitted: 2025-06-05

Updated: 2026-09-24

Comments: 19 pages, 9 figures

Journal ref: Quantum Sci. Technol. 11 035010 (2026)

DOI: 10.1088/2058-9565/ae6fe2

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fidelity — 14× in this paper · explained in 2 episodes
• Ancilla Qubits — 12× in this paper · explained in 1 episode
• Effective Hamiltonian — 7× in this paper · explained in 2 episodes
• Ancillary Qubits — 3× in this paper · explained in 1 episode
• All-to-All Connectivity — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Frustration — 1× in this paper · explained in 2 episodes
• Topological Defects — 1× in this paper · explained in 2 episodes

Sources

• A quantum wire approach to weighted combinatorial graph optimisation problems
• Enhancement of quantum annealing via n-local catalysts
• Tensor networks for quantum computing
• Gadgets for simulating a non-native $XX$ interaction in quantum annealing

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