Quantum Computing · score 0.00 · 39 entries · last updated 5/20/2026, 10:47:08 PM

Structured Circuits Improve VQA Performance

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Problem-Agnostic Entanglement Hurts VQA Performance: The Case for Structured Circuits in Combinatorial Optimization

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Problem-Agnostic Entanglement Hurts VQA Performance: The Case for Structured Circuits in Combinatorial Optimization

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Problem-Agnostic Entanglement Hurts VQA Performance: The Case for Structured Circuits in Combinatorial Optimization

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arxiv5/20/2026, 2:38:04 AM

Problem-Agnostic Entanglement Hurts VQA Performance: The Case for Structured Circuits in Combinatorial Optimization

For combinatorial optimization problems governed by diagonal Hamiltonians — whose ground states are classical product states requiring zero entanglement — hardware-efficient ansätze (HEAs) introduce entanglement that actively degrades performance. A new study on MaxCut shows a mo…