User mavzolej

1 vote

0 answers

27 views

Block encoding for a sum of Pauli terms

asked Jan 27 at 16:47

5 votes

1 answer

90 views

What are the relations between the permutation group and the Clifford group?

asked Oct 18, 2022 at 19:25

6 votes

1 answer

90 views

Why can't we implement fault-tolerant single qubit rotations continuously?

asked Oct 25, 2022 at 20:01

0 votes

1 answer

56 views

Circuits acting on subsets of qubits in other circuits

asked May 25, 2022 at 5:10

2 votes

2 answers

518 views

VQE Cirq example

asked Mar 13, 2020 at 2:31

2 votes

1 answer

56 views

Oracle for amplitude addition

asked May 18, 2022 at 0:40

3 votes

2 answers

72 views

Can D-Wave machines be applied to simulate Hamiltonians arising in quantum physics?

asked Jun 15, 2022 at 15:28

0 votes

0 answers

15 views

Parallelizing a circuit with repetitive blocks on permuted qubits

asked Jun 2, 2022 at 0:51

1 vote

0 answers

35 views

Reflection operator in amplitude amplification for block encoding

asked May 25, 2022 at 23:53

5 votes

1 answer

99 views

Quantum advantage without phase?

asked Apr 23, 2022 at 8:20

5 votes

0 answers

102 views

Trotter error for bosons in various encodings

asked Feb 19, 2021 at 7:38

5 votes

1 answer

117 views

Implementing $a^\dagger|\psi\rangle$

asked Feb 1, 2022 at 20:17

3 votes

0 answers

35 views

Trading gates for qubits in the Hadamard test for $\langle 0| V^\dagger G U | 0\rangle$... using the SWAP test?

asked Feb 1, 2022 at 20:36

12 votes

1 answer

5k views

Evaluating expectation values of operators in Qiskit

asked May 19, 2020 at 12:04

4 votes

2 answers

91 views

Can error correction for a classical algorithm with bit flips be easier than for a general quantum circuit?

asked Oct 10, 2021 at 14:56

6 votes

2 answers

185 views

Exponentiating Pauli matrices using trapped ion native gates (single-qubit rotations + XX, YY, ZZ)

asked Mar 12, 2021 at 20:30

2 votes

0 answers

157 views

Calculating exact expectation values on ibmq_qasm_simulator

asked Feb 15, 2021 at 16:12

2 votes

0 answers

140 views

Qiskit CircuitStateFn.eval() on more than 16 qubits

asked Feb 12, 2021 at 8:43

2 votes

2 answers

66 views

Check if $|\psi\rangle$ is equal to a fixed basis state using the standard set of gates

asked Nov 22, 2020 at 1:40

1 vote

0 answers

59 views

How do I construct a circuit to reshuffle some computational basis vectors?

asked Nov 14, 2020 at 13:48

0 votes

1 answer

307 views

What is the proper way of doing Pauli arithmetic in Qiskit?

asked Nov 3, 2020 at 17:39

2 votes

0 answers

160 views

Preparing arbitrary two- and multi-qubit states with real amplitudes

asked Oct 6, 2020 at 6:13

2 votes

3 answers

786 views

Creating a custom VariationalForm in Qiskit

asked May 18, 2020 at 19:17

1 vote

1 answer

91 views

Why do we use two optical modes per qubit in the KLM scheme?

asked Aug 19, 2020 at 20:33

5 votes

1 answer

338 views

Defining a custom parametric gate in Qiskit in terms of standard gates?

asked Aug 12, 2020 at 17:12

8 votes

1 answer

338 views

Preparing any superposition of fixed Hamming weight states

asked Aug 11, 2020 at 14:23

3 votes

1 answer

797 views

How to do state tomography when using sampling in Qiskit?

asked Aug 1, 2020 at 3:40

1 vote

1 answer

226 views

Quantum error correction on IBM devices?

asked Jun 17, 2020 at 20:02

2 votes

1 answer

325 views

Trotterizing a Pauli sum in Qiskit

asked Jun 8, 2020 at 18:24

2 votes

1 answer

408 views

Jordan-Wigner $\leftrightarrow$ Bravyi-Kitaev transformation in Qiskit

asked Jun 7, 2020 at 22:36

Stack Exchange Network

41 Questions

Block encoding for a sum of Pauli terms

What are the relations between the permutation group and the Clifford group?

Why can't we implement fault-tolerant single qubit rotations continuously?

Circuits acting on subsets of qubits in other circuits

VQE Cirq example

Oracle for amplitude addition

Can D-Wave machines be applied to simulate Hamiltonians arising in quantum physics?

Parallelizing a circuit with repetitive blocks on permuted qubits

Reflection operator in amplitude amplification for block encoding

Quantum advantage without phase?

Trotter error for bosons in various encodings

Implementing $a^\dagger|\psi\rangle$

Trading gates for qubits in the Hadamard test for $\langle 0| V^\dagger G U | 0\rangle$... using the SWAP test?

Evaluating expectation values of operators in Qiskit

Can error correction for a classical algorithm with bit flips be easier than for a general quantum circuit?

Exponentiating Pauli matrices using trapped ion native gates (single-qubit rotations + XX, YY, ZZ)

Calculating exact expectation values on ibmq_qasm_simulator

Qiskit CircuitStateFn.eval() on more than 16 qubits

Check if $|\psi\rangle$ is equal to a fixed basis state using the standard set of gates

How do I construct a circuit to reshuffle some computational basis vectors?

What is the proper way of doing Pauli arithmetic in Qiskit?

Preparing arbitrary two- and multi-qubit states with real amplitudes

Creating a custom VariationalForm in Qiskit

Why do we use two optical modes per qubit in the KLM scheme?

Defining a custom parametric gate in Qiskit in terms of standard gates?

Preparing any superposition of fixed Hamming weight states

How to do state tomography when using sampling in Qiskit?

Quantum error correction on IBM devices?

Trotterizing a Pauli sum in Qiskit

Jordan-Wigner $\leftrightarrow$ Bravyi-Kitaev transformation in Qiskit