10 Superposition of quantum circuits 2020-10-15T20:14:06.550

8 How to check if a quantum circuit can be constructed for a given matrix representation? 2021-02-02T20:10:28.237

7 How to compute the measurement probability in swap test? 2020-10-19T03:54:19.127

6 Distinguishing collapsed and uncertain qubit in a quantum circuit 2021-01-18T06:06:13.027

5 What's meant by the depth of a quantum circuit? 2020-11-01T06:48:32.570

5 Unknown quantum circuit symbol 2020-12-15T04:31:12.000

5 Why can I not apply a control gate/function to a gate like T, S, S dagger, ... (using IBM Quantum Experience)? Is there another option? 2021-01-19T12:08:17.940

4 Pennylane: creating QNodes for large numbers of circuits that only differ by number of wires 2021-02-07T17:20:32.263

3 Transforming $|100\rangle$ state into $|000\rangle + |111\rangle$ state using only Hadamard and CNOT gates 2020-11-15T05:21:14.673

3 Show that the two circuits are equivalent mathematically 2020-12-30T01:32:29.290

3 Weird Grover's Algorithm Behavior 2021-01-03T03:32:20.223

2 How to understand the circuits used for magic state distillation in surface code? 2020-11-23T06:02:06.350

2 Is Noise model for quantum prototypes accurate in Qiskit 2020-12-07T06:07:56.357

2 Computing the CDF with QAE in Qiskit 2020-12-17T12:16:04.747

2 How does this represent modular multiplication 2020-12-26T13:53:41.147

2 proof that the gate U is equivalent to the given circuit mathematically 2021-02-05T12:02:53.193

2 Parametric circuit to prepare the most general single-qubit state 2021-02-14T13:30:27.267

2 Qiskit: how can you use a different state for each shot in a quantum circuit? 2021-02-24T10:37:26.167

1 How to change the names of the registers displayed with circuit_drawer (output='mpl') 2020-11-10T08:10:07.763

1 Question about a circuit from "Quantum Computing for Computer Scientists" 2020-11-29T21:38:13.797

1 A CNOT between two Hadamard gates: why does the CNOT changed the output of the second Hadamard gate? 2020-12-01T20:26:19.917

1 An issue in plotting the quantum circuit using latex 2021-01-14T04:10:30.597

1 How can I create an ADD gate for two quantum states? 2021-02-16T12:00:57.923

1 In quantum adiabatic simulation, is the $s$ in $(1-\frac{s}{T})H_{in}+\frac{s}{T} H_{cl}$ related to the $t$ in $e^{-iHt}$? 2021-02-22T04:20:07.283

1 Qiskit: is there a quick way to work out the spherical coordinates for a given qubit statevector? 2021-02-24T17:32:39.050

0 Quantum circuit, Fourier Transform/Decomposition? 2020-10-04T02:24:46.653

0 Should C-NOT gate affect "input" qubit or not? 2020-10-16T22:32:06.767

0 Device Repitition Rate on Melbourne 2020-12-03T16:46:54.753

0 How can I fix this parametrization error in Qiskit? 2020-12-26T05:44:37.957

0 how to plot probability histogram and/or bloch sphere of single qubit in multi-qubit quantum circuit in Qiskit? 2021-01-13T10:46:37.293

0 Symmetric Universal Quantum Cloning Machine (UQCM) N --> M for unknown states 2021-02-25T13:10:50.837

0 3-qubit phase shift gate/circuit implementation without any Ancilla qubits 2021-02-27T07:26:03.030