69 Can a Turing machine simulate a quantum computer? 2018-03-12T17:00:45.567

32 Can a quantum computer simulate a normal computer? 2018-03-12T18:12:22.420

22 Explicit Lieb-Robinson Velocity Bounds 2018-04-06T09:01:35.267

17 What would a very simple quantum program look like? 2018-03-29T06:51:03.897

16 What are examples of Hamiltonian simulation problems that are BQP-complete? 2018-05-17T03:52:58.673

16 How would I implement the quantum oracle in Deutsch's algorithm? 2018-10-30T16:49:55.147

15 How to compactly represent multiple qubit states? 2018-03-17T14:03:05.840

15 Obtaining gate $e^{-i\Delta t Z}$ from elementary gates 2018-04-22T17:24:34.220

14 Building a quantum computer in simulation 2018-03-16T05:43:16.650

13 Hamiltonian simulation with complex coefficients 2018-07-24T17:42:17.647

12 Do real commercial quantum computers exist? 2018-03-28T06:19:29.607

10 Is there any source which tabulates quantum computing algorithms for simulating physical systems? 2018-03-29T20:26:16.033

10 Simulating Clifford + few-T circuits 2018-04-17T01:17:41.923

10 Classical Memory enough to store states up to 40 qubits quantum system? 2018-08-20T10:28:38.550

9 Simulating a system inside a system 2018-03-12T17:21:02.420

9 Where does precisely the dificulty in exponentiating a Hamiltonian $H$ in the quantum simulation problem lay? 2019-12-21T18:06:02.510

9 Why are non-Clifford gates more complex than Clifford gates? 2020-01-31T11:11:01.810

8 Can we synthesize quantum many body systems with quantum computers quickly in the general case? 2018-03-12T18:02:31.377

8 New algorithm for faster QC simulation by IBM 2018-03-20T18:46:10.267

8 Why does (almost) every pair of Hamiltonians generate, through repeated commutation, the whole space of Hermitian matrices? 2018-06-12T20:23:53.247

8 Can we perform quantum mechanical simulations using a quantum computer? 2018-08-02T02:11:17.597

8 How does one obtain amplitude information in Q#? 2018-09-03T01:20:52.970

8 Is there any online Bloch sphere simulator? 2019-05-20T13:21:45.093

8 Anti-symmetrization on the lattice 2019-07-10T08:07:47.047

8 Why doesn't the Gottesman-Knill theorem render quantum computing almost useless? 2019-07-31T08:59:29.433

8 Preparing any superposition of fixed Hamming weight states 2020-08-11T14:23:56.073

7 What do we mean by parity of qubits? 2018-04-22T18:06:45.973

6 What are some good quantum computing simulator and visualiser? 2018-07-20T09:52:34.450

6 What are the preferred numerical methods to simulate the evolution of a state through a time-dependent Hamiltonian? 2018-07-29T21:25:54.600

6 Incorrectly Calculating Probability Amplitudes for 3-qbit Circuit 2018-08-03T15:06:12.370

6 Are quantum simulators like Microsoft Q# actually using quantum mechanics in their chips? 2018-08-10T02:24:31.147

6 Does Planck's constant have any role in quantum computing? 2020-04-10T21:04:52.743

6 What did exactly Google do in simulating a random quantum circuit on a classical computer in supremacy experiment? 2020-04-20T09:15:59.500

6 Trying to understand this measurement of a simple quantum circuit 2020-12-10T01:53:07.100

6 Are almost-Clifford circuits almost easy to simulate? 2021-01-04T21:42:02.203

6 Q# Simulation Behavior 2021-01-25T22:52:52.183

5 Is it possible to simulate a quantum computer in Virtual Reality? If yes, how? 2018-05-04T17:45:18.863

5 Error: Simulation of "Quantum algorithm for linear systems of equations" for $4\times 4$ systems on Quirk (without SWAP) - Global phase 2018-07-14T23:03:21.847

5 How many qubits are simulable with a normal computer and freely accessible simulators? 2018-07-24T14:48:21.823

5 Application of classical approximate optimization algorithm to bottlenecks of quantum computing 2018-07-24T19:21:03.107

5 Finding the maximum number of Q# simulatable qubits 2018-08-15T07:40:35.363

5 Which QC platform is better to use on HPC cluster? 2018-09-28T01:13:15.160

5 Introspecting quantum circuit execution on Qiskit Aer simulators 2018-12-29T09:16:01.983

5 Where does the Xmon simulator from Googles cirq framework its entropy from? 2019-02-02T20:58:53.027

5 Why can't a quantum computer strongly simulate itself? 2019-03-31T11:14:57.570

5 Simulating depth-2 circuits 2019-08-19T08:20:55.373

5 What is the current research status in simulating many-particle systems from first principles? 2019-10-25T06:04:30.130

5 Does a classical computer really require $2^n$ complex numbers to represent the state of $n$ qubit quantum computer? 2020-04-17T16:40:10.513

4 Deutsch Algorithm on a Quantum Turing Machine 2018-11-04T16:29:34.320

4 Unitary gate(s) from product of exponent 2018-11-26T07:15:35.667

4 Numerical quantum state tomography simulator 2018-12-20T14:35:42.220

4 How can noise on a device be simulated using measured noise parameters? 2019-01-07T13:17:03.400

4 Why is there a difference between the simulation results and the actual quantum computer results? 2019-02-14T03:46:12.787

4 Creating .gifs corresponding to Quirk simulations 2019-02-17T11:59:14.183

4 Simulating quantum computers using anyon braiding 2019-05-01T10:58:26.050

4 How to determine the minimum number of experiments needed to compute m-many k-local Pauli expectations? 2019-05-30T19:45:19.607

4 Plotting Bloch sphere in QuTiP 2019-06-12T05:19:47.073

4 Quantum Codes and Plasma Codes for Simulation Applications 2019-06-22T00:14:56.193

4 How to implement NM Algorithm for Variational Quantum Eigensolver? 2019-06-23T02:24:04.223

4 How to create an Ising coupling gate with Qiskit? 2019-07-14T11:25:56.153

4 Resource recommendation on quantum simulations 2020-05-23T15:29:12.487

4 How does a classical computer simulate nonclassical correlations? 2020-06-14T09:16:26.213

4 What is the "sum-over-paths" picture of quantum computing? 2020-11-24T21:30:40.237

4 Trotter error for bosons in various encodings 2021-02-19T07:38:30.953

3 Could we use varying voltage with programmable gates? 2018-10-30T00:46:36.270

3 For CNOT gate with control qubit set to 1, the measured state of the second qubit unexpectedly depends on the measurement 2019-03-02T20:22:23.633

3 What are reasonable noise/dephasing parameters for QuEST to emulate state-of-the-art quantum computers? 2019-03-07T09:50:49.083

3 Reversible Circuit Simulation (for classical tests of quantum subroutines) 2019-08-07T14:26:14.373

3 How to selectively apply noise in Qiskit simulations? 2019-10-23T14:31:51.010

3 In qiskit, doing 2 subsequent measurements of a Hadamard gate on the same qubit always gives 0 on the 2nd one 2019-11-06T10:35:50.410

3 How is the precision of a quantum simulation algorithm actually proved? 2019-11-15T13:14:18.673

3 How many cores and what processors are used in the cloud ibmq_qasm_simulator? 2020-03-10T15:51:05.777

3 "$W_n$ state" in Bravyi-Kitaev encoding 2020-03-30T05:31:10.943

3 Ansatz state for finding the lowest eigenvalue of a $2^n\times 2^n$ real matrix using VQE 2020-04-10T02:43:37.417

3 Problem with building quantum circuit for Hamiltonian operation 2020-05-05T05:49:01.113

3 What are the biggest obstacles currently preventing us from solving real world problems defined in terms of quantum simulation? 2020-05-19T11:38:31.750

3 What is the usefulness of the Suzuki-Trotter formula? 2020-05-24T19:50:15.570

3 How to run an approximate simulation, and why 2020-06-07T06:42:34.977

3 What is the best approach for classically simulating quantum devices? 2020-09-29T12:54:28.857

3 Where can I get circuits of interest to quantum chemistry to try and simplify? 2020-10-14T04:35:10.950

3 What is the non-recursive form of the sum-over-paths simulation algorithm? 2020-12-08T14:32:55.133

3 Applications of Quantum Computing to Economics 2021-01-22T06:39:19.570

3 No. of bits in 160 qubits computer 2021-01-24T20:38:40.657

3 noisy circuit by openfermion 2021-01-30T15:15:26.267

2 How much memory is required to simulate a 48-qubit circuit? 2018-03-12T20:25:01.510

2 How to simulate quantum entanglement variation in different quantum gates? 2018-10-22T18:30:48.730

2 List of known circuits and their expected output 2018-11-19T21:18:29.120

2 Is it possible to see how CompositeGates are decomposed when simulated using XmonSimulator? 2018-11-30T01:20:58.067

2 Are there emulators for quantum networks? 2018-12-16T19:00:02.033

2 ProjectQ - In which part of the controlled gate object are the control bits scored 2019-02-13T19:58:02.370

2 GridQubit in Cirq vs LineQubit 2019-06-24T05:51:24.363

2 Implementing noise model in Quantum simulator 2019-08-01T13:21:49.827

2 Error ERROR_TRANSPILING_JOB when trying to simulate the circuit 2019-08-23T18:38:18.047

2 Can we simulate quantum many-body systems with IBMQ Experience? 2019-09-06T05:08:48.847

2 How do I apply a controlled gate to specific qbits in the register? 2019-12-09T13:32:26.610

2 Monty Hall Problem in Quantum Computing 2020-01-02T16:05:15.030

2 Openfermion to qiskit 2020-01-21T10:45:45.130

2 Commutation of bosonic operators on finite Hilbert space 2020-02-07T18:04:30.973

2 Software for implementing Quantum Machine Learning 2020-02-25T04:06:33.183