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What is the difference between having a single-qubit state and knowing a result of a measurement you want to perform on it?

entanglement information-theory teleportation communication

answered Sep 17 at 9:41 DaftWullie 39.9k

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How to make sense of phases of individual qubits in the context of multiple entangled qubits?

quantum-state entanglement

modified Sep 16 at 12:16 Nikita Nemkov 596

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Are nearly all pure two-qubit state entangled?

quantum-state entanglement mathematics

modified Sep 15 at 10:23 glS♦ 14.8k

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Is there any possibility to draw graphs for a maximally entangled state?

quantum-state entanglement

answered Sep 13 at 21:54 Bertrand Einstein IV 628

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How to deal with entanglement relativistically?

entanglement foundations

modified Sep 11 at 20:27 Adam Zalcman 8,843

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How can the state $\frac{1}{\sqrt{2}}(|00\rangle+|11\rangle)$ be entangled if both spins are the same?

entanglement textbook-and-exercises

modified Sep 11 at 11:18 epelaaez 1,982

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What does "measurement destroys information" mean?

quantum-state entanglement measurement

modified Sep 11 at 11:11 epelaaez 1,982

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Upper Bounds for QMA Quantum Merlin Arthur, and QMA(k)

entanglement complexity-theory qma

answered Sep 10 at 10:24 Yupan Liu 428

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Where exactly does entanglement appear in Shor's algorithm?

entanglement shors-algorithm

modified Sep 3 at 11:37 glS♦ 14.8k

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Why are Bell states the maximally entangled ones?

quantum-state entanglement bell-basis

answered Sep 1 at 13:27 Harshit Gupta 385

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This is a question about IBM quantum circuit used to generate the quantum cheque state

ibm-q-experience entanglement ibm

modified Aug 28 at 2:01 Community♦ 1

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Can we do error correction for entangled particles?

quantum-gate quantum-state entanglement key-distribution

modified Aug 27 at 12:55 m.aldarwbi 11

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How to efficiently construct quantum circuits of oracles in multi-target quantum search?

quantum-state entanglement quantum-circuit oracles

asked Aug 26 at 3:19 Chao-Hua Yu 61

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What are min and max overlaps of a maximally entangled state with a separable state?

quantum-state entanglement fidelity

modified Aug 23 at 23:40 Adam Zalcman 8,843

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