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Pauli Matrix tolerant and encoding

quantum-gate entanglement error-correction textbook-and-exercises nielsen-and-chuang

modified Nov 29 at 1:11 QC-learner 49

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What are the possible results of measuring $X$ and $Z$ on the state $|01\rangle+|10\rangle$?

quantum-state entanglement measurement textbook-and-exercises bell-basis

modified Nov 27 at 19:09 glS 11.4k

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What is the meaning of measuring a Bell state with Pauli operators?

quantum-state entanglement measurement physical-qubit

modified Nov 25 at 9:07 glS 11.4k

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Two qubit state + Depolarizing channel = Bell diagonal state?

quantum-state entanglement density-matrix bell-basis depolarizing-channel

answered Nov 25 at 8:17 DaftWullie 34.3k

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Does this setup violate relativity?

entanglement teleportation

modified Nov 24 at 14:22 glS 11.4k

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Understanding the monogamy of entanglement with respect to GHZ States

quantum-state entanglement

modified Nov 24 at 14:22 glS 11.4k

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Can the following Bell states have probability amplitudes other than 1/2 and still be entangled?

quantum-gate entanglement bell-basis

modified Nov 23 at 19:40 glS 11.4k

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Find the qutrit analogue of certain qubit and ququart formulas of Li and Qiao for testing separability

quantum-state entanglement density-matrix qudit

modified Nov 22 at 16:58 glS 11.4k

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Entanglement entropy's role in quantum information

entanglement entropy information-theory

modified Nov 22 at 16:58 glS 11.4k

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Does higher channel fidelity imply higher entanglement fidelity?

entanglement quantum-operation fidelity

modified Nov 22 at 16:57 glS 11.4k

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What is the result of measuring $\sigma_x$ on the state $|01\rangle+|10\rangle$?

quantum-state entanglement measurement textbook-and-exercises

modified Nov 18 at 21:10 glS 11.4k

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Transforming $|100\rangle$ state into $|000\rangle + |111\rangle$ state using only Hadamard and CNOT gates

quantum-gate circuit-construction entanglement hadamard quantum-circuit

modified Nov 17 at 16:24 glS 11.4k

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Positive conditional quantum entropy for entangled state

entanglement entropy information-theory

modified Nov 17 at 10:15 glS 11.4k

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Is there a way to entangle to a dirty qubit?

quantum-gate qiskit circuit-construction entanglement error-correction

modified Nov 17 at 8:23 Kim Dong 351

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