User Anna Naden

8 votes

4 answers

1k views

Simulating a quantum circuit with decoherence and noise

asked Dec 22, 2021 at 6:18

6 votes

1 answer

2k views

Where is definitive documentation for OpenQASM 2.0 and 3.0

asked Dec 6, 2021 at 5:52

5 votes

1 answer

1k views

No-cloning theorem and distinguishing between two non-orthogonal quantum states revisited

asked Nov 1, 2021 at 4:45

4 votes

4 answers

167 views

Why does $\rho^A=\mathrm{tr}_B(\rho^{AB})$ guarantee that $\mathrm{tr}(M\rho^A)=\mathrm{tr}((M\otimes I_B)\rho^{AB})$?

asked Jan 14, 2022 at 7:10

3 votes

1 answer

328 views

Qiskit does not interpret qasm string as 3.0?

asked Nov 30, 2021 at 4:26

3 votes

1 answer

617 views

What is the quantum strategy required to win the Magic Squares game

asked May 15, 2022 at 3:51

3 votes

2 answers

169 views

Are the states in the convex decomposition of a density matrix necessarily orthogonal?

asked Dec 26, 2021 at 6:06

2 votes

1 answer

165 views

How to simulate the state of a system after partial measurement?

asked Dec 23, 2021 at 22:35

2 votes

2 answers

215 views

Show that there are unitaries $U_m$ such that $M_m=U_m \sqrt{E_m}$, for any measurement $M_m$ and associated POVM $E_m$

asked Oct 23, 2021 at 13:55

2 votes

2 answers

251 views

Measurement in the Pauli X basis

asked Feb 4, 2022 at 15:50

2 votes

1 answer

337 views

How does one design an RF pulse for an Z gate in, for example, a trapped ion qubit?

asked Feb 4, 2022 at 18:16

2 votes

2 answers

156 views

How to manipulate the phase of the electromagnetic radiation in the Hamiltonian

asked Feb 15, 2022 at 3:25

2 votes

1 answer

987 views

Are the eigenvalues of projectors always zero and/or one?

asked Apr 26, 2022 at 2:17

2 votes

1 answer

227 views

What is the physical significance of the general rotation operator $R(\hat n,d\theta)=I-id\theta (\hat n\cdot\vec J)$?

asked Nov 2, 2021 at 22:22

2 votes

1 answer

266 views

Reading a classical register in OPENQASM

asked Nov 17, 2021 at 5:03

2 votes

1 answer

85 views

Decompose bell measurement gate into combination of controlled-not gates and one-qubit gates

asked Dec 7, 2021 at 4:49

2 votes

1 answer

199 views

Transformation matrix for a two-qubit operation where there are more than two qubits

asked Dec 17, 2021 at 2:32

1 vote

1 answer

184 views

Two-qubit Bell measurement matrix where the two qubits are not contiguouis

asked Dec 18, 2021 at 23:42

1 vote

1 answer

100 views

Factoring Decision Problem - why not in P? [closed]

asked Nov 25, 2021 at 22:10

1 vote

1 answer

151 views

What is the physical process causing a Bell state to be shared? [duplicate]

asked Nov 1, 2021 at 17:45

1 vote

1 answer

682 views

Given a three-qubit state, how do you obtain the density matrix for the third qubit

asked Dec 23, 2021 at 22:30

0 votes

2 answers

228 views

How to run qiskit circuit in the cloud - qiskit runtime

asked Sep 9, 2022 at 20:40

0 votes

1 answer

85 views

How to get more qubits, with less noise, with qiskit

asked Sep 9, 2022 at 21:48

0 votes

1 answer

110 views

Verifying equation 4 in Ekert's paper "Quantum Cryptography Based on Bell's Theorem"

asked Jun 2, 2023 at 12:41

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24 Questions

Simulating a quantum circuit with decoherence and noise

Where is definitive documentation for OpenQASM 2.0 and 3.0

No-cloning theorem and distinguishing between two non-orthogonal quantum states revisited

Why does $\rho^A=\mathrm{tr}_B(\rho^{AB})$ guarantee that $\mathrm{tr}(M\rho^A)=\mathrm{tr}((M\otimes I_B)\rho^{AB})$?

Qiskit does not interpret qasm string as 3.0?

What is the quantum strategy required to win the Magic Squares game

Are the states in the convex decomposition of a density matrix necessarily orthogonal?

How to simulate the state of a system after partial measurement?

Show that there are unitaries $U_m$ such that $M_m=U_m \sqrt{E_m}$, for any measurement $M_m$ and associated POVM $E_m$

Measurement in the Pauli X basis

How does one design an RF pulse for an Z gate in, for example, a trapped ion qubit?

How to manipulate the phase of the electromagnetic radiation in the Hamiltonian

Are the eigenvalues of projectors always zero and/or one?

What is the physical significance of the general rotation operator $R(\hat n,d\theta)=I-id\theta (\hat n\cdot\vec J)$?

Reading a classical register in OPENQASM

Decompose bell measurement gate into combination of controlled-not gates and one-qubit gates

Transformation matrix for a two-qubit operation where there are more than two qubits

Two-qubit Bell measurement matrix where the two qubits are not contiguouis

Factoring Decision Problem - why not in P? [closed]

What is the physical process causing a Bell state to be shared? [duplicate]

Given a three-qubit state, how do you obtain the density matrix for the third qubit

How to run qiskit circuit in the cloud - qiskit runtime

How to get more qubits, with less noise, with qiskit

Verifying equation 4 in Ekert's paper "Quantum Cryptography Based on Bell's Theorem"