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the claim
Quantum computers use quantum entanglement to perform computations.
the verdict
CONTESTED PARTIAL
Recorded sources
5 sources for · 2 against
Is it true that quantum computers use quantum entanglement to perform computations?
Partly. Several reference and review sources state that quantum computers harness entanglement (alongside superposition) to process information, while a physics discussion and a code-construction paper argue entanglement is not the key resource and can sometimes be removed. The evidence partially supports the claim but also partially contests the necessity of entanglement.
Verdict: CONTESTED PARTIAL · 5 sources for, 2 against · Last checked
Evidence for · 5
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Macroscopic entanglement in Quantum Computation. (n.d.). cir.nii.ac.jp. https://doi.org/10.48550/arxiv.quant-ph/0505057
Evidence against · 2
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Role of entanglement in quantum computing. (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/721500/role-of-entanglement-in-quantum-computing
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More for · 4
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Potential of Pulsed Tunnel Effect (PTE) to Overcome Technical Barriers of Quantum Computers. (2024). doi.org. https://doi.org/10.33693/2313-223x-2024-11-3-11-33
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Montiel, O., Rubio, Y., Olvera, C., & Rivera, A. (2019). Quantum-Inspired Acromyrmex Evolutionary Algorithm. doi.org. https://doi.org/10.1038/s41598-019-48409-5
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Kutsaev, S., Taletski, K., Agustsson, R., Carriere, P., Cleland, A., Conway, Z., Dumur, É., Moro, A., & Smirnov, A. (2020). Niobium quarter-wave resonator with the optimized shape for quantum information systems. doi.org. https://doi.org/10.1140/epjqt/s40507-020-00082-8
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Lund, B. D. & Shahriar, S. (2025). Quantum Computing: A Concise Introduction. doi.org. https://doi.org/10.3390/encyclopedia5040173
2 recorded entries grouped as this source
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Brady, L. & Sakib, S. (2025). Quantum Computing: A Concise Introduction. zenodo.org. https://doi.org/10.3390/encyclopedia5040173
More against · 1
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Changing the Local-Dimension of an Entanglement-Assisted Stabilizer Code Removes Entanglement Need. (2020). doi.org. https://doi.org/10.48550/arxiv.2012.13395
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