26 Effects of quantum computing on parallel universes 2019-11-04T00:23:44.520

20 How can I build a circuit to generate an equal superposition of 3 outcomes for 2 qubits? 2018-06-12T09:48:37.680

18 What is the difference between superpositions and mixed states? 2018-03-29T16:54:30.243

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

9 Does conditional gate collapse controller's superposition? 2018-07-19T23:07:15.527

7 Is there a relation between the factorisation of the joint conditional probability distribution and Bell inequality? 2018-09-08T12:21:21.077

7 Summation of amplitudes 2019-06-08T18:40:24.817

6 Advantange of Hadamard gate over rotation about the X axis for creating superpositions 2018-08-06T06:15:11.103

6 Is a qubit always in superposition? 2019-12-27T05:17:26.323

6 Is it right to think of superposition as just angle? 2020-05-08T15:04:48.437

6 Superposition of quantum gates 2020-12-26T11:23:53.213

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

5 How to obtain arbitrary distribution in quantum database 2018-05-30T10:03:51.980

5 Compact encoding of Boolean formula as oracle 2018-07-10T08:19:05.793

5 Is qubit superposition a basis-dependent concept? 2019-01-13T22:45:49.953

5 How instantaneous is state preparation in a quantum register, if all possible superpositions are to be initialized equally? 2020-12-20T10:54:56.817

4 Why do we use the quantum superposition for a period instead of factors in Shor's algorithm? 2019-02-16T13:39:32.073

4 How to measure superposition coefficients to determine state? 2019-03-13T22:12:39.377

4 How to superpose two composite qubit states? 2019-04-17T09:39:43.750

4 How would I construct an Ising Hamiltonian for binary linear programming? 2019-07-24T09:21:03.233

4 Is there a way to create a superposition of all the possible states? 2020-12-03T01:11:27.283

3 CNOT gate - control qubit is in superposition 2018-12-09T17:38:16.173

3 How to prepare a superposed state where its terms are elements of a sequence? 2019-01-18T14:18:07.410

3 How to read Dirac notation (without algebra)? 2019-02-04T16:07:40.907

3 Forming states of the form $\sqrt{p}\vert 0\rangle+\sqrt{1-p}\vert 1\rangle$ 2019-02-08T10:41:41.203

3 How to implement such a gate where one input bit is zero and the other is one and the output should be one? 2019-03-14T17:08:41.197

3 How can I invert the least significant bit of a certain term of a superposed state? 2019-03-14T22:02:59.977

3 Deriving a state vector from a stabilizer state's generators 2019-06-11T17:42:35.223

3 How do 2 Hadamard gates act on a single qubit? 2019-08-17T07:41:56.413

3 How do quantum states collapse to the right answer? 2019-11-01T16:20:00.617

3 What does superposition do for quantum probabilistic sampling? 2019-11-15T00:48:36.953

3 Can Toffoli operate on a qubit in superposition? 2019-12-18T17:48:50.210

3 Do any two distinct pure states form a basis? 2020-04-23T00:59:39.520

3 What are the two measurements per box being done in the Bell Tests in the IBM Quantum Experience "Entanglement and Bell tests" Section 2020-05-14T13:07:16.613

3 Is it possible to tune the amplitude of superposition generated by Hadamard gates? 2021-01-26T17:18:37.020

2 What's the meaning of applying $U_{\text{div}}$ to a register in superposition? 2018-10-20T15:23:50.047

2 What is the post measurement state given an input and the outcome measurement? 2019-01-02T04:59:25.463

2 How to amplify a specific part of the quantum state 2019-08-01T07:22:26.477

2 What is the difference between superposition of $|0\rangle$ and superposition of $|1\rangle$ at physical level? 2019-11-09T14:32:25.717

2 Testing superposition states in Q# 2020-08-07T13:41:20.577

2 Can a single qutrit in superposition be considered entangled? 2020-10-07T21:47:47.023

2 What's the point of a measurement operator? 2021-01-06T05:22:04.927

1 How to properly write the action of a quantum gate implementing an operator $U$ on the superposition of its eigenvectors? 2018-11-17T07:32:23.337

1 Reinforcement learning with a quantum agent 2019-05-27T20:42:24.957

1 Why don't I get what I expect when measuring with respect to a different basis? 2020-04-19T14:45:14.620

1 Effect of Pauli X gate on minus state using bloch sphere 2020-05-09T14:49:48.507

1 Are superpositions of an infinite number of states realizable? 2020-05-16T02:01:33.543

1 Which entangled qubit is measured in this example? 2020-05-16T05:07:45.257

1 Can I switch $\alpha_0$ and $\alpha_1$ conditionally to $\alpha_0>0$ in a state $\alpha_0|0\rangle+\alpha_1|1\rangle$? 2020-08-29T19:06:35.560

1 How to describe the state of a qubit passing through two Hadamard gates? 2021-01-17T16:12:26.133

0 How to prepare a superposed states of odd integers from $1$ to $\sqrt{N}$? 2018-12-03T12:26:38.123

0 Represent qubit in a superposition 2019-12-20T13:54:53.570

0 How to create a Quantum circuit to implement the generation of 3-qubit uniform superposition wavefunction 2020-05-31T01:06:23.907

0 CNOT in reversible computing and entanglement 2020-06-09T19:45:05.180

-1 How many combinations can 'n' qubits have? 2019-09-25T16:48:11.080

-1 Can quantum parallelism be turned on and off? 2019-11-19T18:36:23.437

-1 What is the diference between classic probabilities and quantum probabilities? 2019-12-11T19:22:52.533

-2 Is quantum superposition state a truth or an assumption? 2019-11-30T17:47:07.353