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Quantum Computing
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EugeneB's user avatar
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EugeneB
  • Member for 2 years, 11 months
  • Last seen more than 1 year ago
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What is the meaning of $\langle e_k|U|e_0\rangle$ when $U$ acts on a larger Hilbert space than that in which $|e_0\rangle$ and $|e_k\rangle$ live?
Feb 22, 2023
question
3
Why adding H-gate is referred as changing the basis of measurement?
Mar 16, 2023
question
3
How to extract probabilities from Kraus representation?
Mar 21, 2023
question
3
How are quantum error-correction conditions in Nielsen and Chuang implemented in practice?
Apr 20, 2023
question
2
What physical quantity does a density operator represent as an observable?
Mar 11, 2023
question
2
How to factorize a multi-qubit quantum state?
Nov 12, 2022
question
2
How does QPE work if target register is in superposition of eigenstates?
Nov 21, 2022
question
1
Non trace-preserving map in axiomatic approach to quantum operations
Jun 7, 2023
question
1
How is phase kickback possible if qubits are unentangled?
Nov 9, 2022
answer
0
Is the balanced superposition of all three-qubit computational basis states entangled?
Mar 12, 2023