Quantum Computing

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Objective function of Quantum GAN
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Sampling from a given Boltzmann distribution using D-Wave systems
Awarded 9 hours ago
Keep receiving Error - AttributeError: 'QuantumCircuit' object has no attribute 'save_statevector'
Awarded 19 hours ago
Encoding Numeric data as a quantum circuit in TFQ
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Why do quantum gates have to be unitary?
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Why do quantum gates have to be unitary?
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Noise-induced amplitude amplification?
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How to construct local unitary transformations mapping a pure state to another with the same entanglement?
Awarded Aug 1 at 6:03
For any two quantum states does there exist a gate that takes you from one to the other
Awarded Jul 30 at 2:55
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Awarded Jul 29 at 23:30
Qiskit CNOT-gate matrix mixup?
Awarded Jul 27 at 13:55
Initial state for QAOA
Awarded Jul 27 at 1:48
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Awarded Jul 26 at 15:51
How to generate a quantum circuit from the quantum state $|1000\rangle+|0100\rangle+|0010\rangle+|0001\rangle$?
Awarded Jul 26 at 4:25
How to prove that the mutual information is subadditive?
Awarded Jul 25 at 0:05
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Awarded Jul 23 at 10:36
Tensor product and Dirac notation
Awarded Jul 22 at 23:57
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Awarded Jul 22 at 15:33
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Awarded Jul 22 at 11:50
Why is Deutsch's gate universal?
Awarded Jul 22 at 9:47
How does Deutsch Oracle shows quantum supremacy?
Awarded Jul 21 at 21:41
How do you test a pair of unknown qubits for orthogonality with certainty?
Awarded Jul 21 at 17:36
What are the runtimes of the different modes of qiskit's mcx?
Awarded Jul 20 at 23:42
Is there an algorithm that can decide if a state is a mixed state or a pure state?
Awarded Jul 20 at 22:48
What happens to the Bell state qubits after the Quantum Teleporation?
Awarded Jul 18 at 21:10
The Adiabatic Theorem - How to derive Schrödinger equation in the “s” variable
Awarded Jul 17 at 20:51
How is the state preparation Unitary in initialize selected?
Awarded Jul 17 at 11:57
How do you verify the output of an X Gate within the Pulse gates framework?
Awarded Jul 16 at 2:47
On existence of orthonormal basis for each subsystem in Separable state [closed]
Awarded Jul 13 at 11:25
How are Franson Interferometers used to prove security in Photonic QKD Experiments?
Awarded Jul 12 at 14:01
How do you map an X gate to a constant pulse?
Awarded Jul 12 at 9:35
How do successive operators act in the Heisenberg picture?
Awarded Jul 12 at 9:06
Random accuracy using VQC and Iris dataset
Awarded Jul 10 at 10:03
Question about the Result Analysis of Ekera's Method in Short DLP
Awarded Jul 9 at 16:27
Can there be different gate implementations of same oracle implementation?
Awarded Jul 9 at 14:47
Qiskit equivalent of get_expectation_value() in ProjectQ
Awarded Jul 8 at 1:47
What is a “temporal” or “timelike” logical error in the surface code?
Awarded Jul 7 at 5:11
How can the state $\frac{1}{\sqrt{2}}(|00\rangle+|11\rangle)$ be entangled if both spins are the same?
Awarded Jul 7 at 4:56
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Awarded Jul 7 at 1:18
Combining Amplitude Amplification with HHL
Awarded Jul 4 at 5:39
How to build and visualize circuit from matrix?
Awarded Jul 3 at 15:31
Explicit states with high $T$ count
Awarded Jul 2 at 8:35
FileNotFoundError: No such file or directory. This error occurs while giving a data path to upload datafile(present on desktop) in IBMQ
Awarded Jul 2 at 8:05
What does a quantum logic gate look like in a universal quantum computer?
Awarded Jul 1 at 7:49
Qiskit State Tomography with Additional Classical Register
Awarded Jun 30 at 14:21
What is the maximum number of qubits that can be simulated by Qiskit using any method?
Awarded Jun 30 at 13:35
Quantum Machine Learning: how to get effective time of training/scoring
Awarded Jun 30 at 12:50
Does a basis of maximally entangled states exist for two-qubit or two-qutrit system so that the density matrices of the basis states don't commute?
Awarded Jun 29 at 19:40
Circuit state preparation using amplitude encoding
Awarded Jun 29 at 15:11
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Awarded Jun 26 at 11:49
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Awarded Jun 25 at 22:18
How do I find the state of each qubit at the end of the circuit?
Awarded Jun 25 at 21:36
Variational Quantum Linear Solver (Hadamard test): circuit question
Awarded Jun 25 at 1:40
Rephase gate in implementaion of QFT of arbitray size
Awarded Jun 24 at 9:47
Output of D-Wave LeapHybrid solver takes long to evaluate
Awarded Jun 24 at 8:16
How is the probability of success for Simon's algorithm determined?
Awarded Jun 24 at 1:47
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Awarded Jun 23 at 13:26
Distinguishing $\frac{| 0 \rangle + e^{i\theta} |1 \rangle}{\sqrt{2}} $ from $| 0 \rangle/|1 \rangle$ with probability $1/2 + \epsilon$
Awarded Jun 22 at 17:31
Exercise 4.41 in N&C book QCQI: how can i implement $R_z(\theta)$ using the circuit shown and $Z$?
Awarded Jun 22 at 14:05
How to sample vectors close to the minimum eigenvector of a unitary matrix?
Awarded Jun 22 at 10:57
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