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Derivation of the state after applying $U_f$ in the Deutsch–Jozsa algorithm

algorithm nielsen-and-chuang

answered 3 hours ago Tristan Nemoz 1,253

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1

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9

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Normalization of the general state in quantum parallelism

nielsen-and-chuang quantum-parallelism

answered 3 hours ago Tristan Nemoz 1,253

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3

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118

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Is there some nice physical intuition to get for quantum teleportation

teleportation

modified 5 hours ago Danylo Y 4,520

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answers

10

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What it means that the quantum teleportation involves projection onto a maximally entangled state?

teleportation

asked 5 hours ago Zubin 93

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1

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19

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Is quantum query complexity equivalent to the total number of calls to the quantum computer for any given algorithm?

algorithm complexity-theory

answered 12 hours ago DaftWullie 39.9k

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1

answer

24

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Is there any physical meaning of this formula?

error-correction vqe

answered 12 hours ago jecado 506

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1

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23

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What is "gate length" in quantum computing?

quantum-gate

answered 13 hours ago KAJ226 10.3k

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2

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201

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How does the spectral decomposition of the Choi operator relate to Kraus operators?

textbook-and-exercises quantum-operation nielsen-and-chuang kraus-representation foundations

modified 13 hours ago glS♦ 14.7k

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0

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39

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Quantum channels and maps: Confusing terminology

textbook-and-exercises quantum-operation

modified 13 hours ago glS♦ 14.7k

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0

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37

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Definition of Deutsch gate and meaning of $\theta$

quantum-gate universal-gates

modified 14 hours ago Gregory Nisbet 101

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1

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31

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

quantum-state entanglement

modified 16 hours ago Nikita Nemkov 574

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1

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35

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In block encoding, how to determine the dimension of the elements from $\alpha(⟨0|^{\otimes a}\otimes I)U(|0〉^{\otimes a}\otimes|\psi〉)=A|\psi〉$?

algorithm

modified 16 hours ago Tristan Nemoz 1,253

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2

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173

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Interpretation of the unitaries involved in the eigenvalue decomposition of a density operator

quantum-state density-matrix eigenvalue spectral-decomposition

modified 18 hours ago GaussStrife 869

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1

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40

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Expected outcome of adding two PauliOp

qiskit programming

answered yesterday KAJ226 10.3k

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