Quantum Computing: Qubits, Quantum Information, Gates, Algorithms, and Milestone
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BestQuantum Computing: Qubits, Quantum Information, Gates, Algorithms, and Milestone
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Question
A qubit is measured in the standard basis and is in state α|0⟩+β|1⟩. What are the probabilities of getting |0⟩ and |1⟩?
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Answer
The probability of outcome |0⟩ is |α|^2 and the probability of outcome |1⟩ is |β|^2, per the Born rule.
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