Quantum Computing

Scholar

 Scholar
Ask a question and accept an answer.
Awarded 1900 times.
Can we get which error mechanisms acutually happens in Stim?
Awarded 2 days ago
The expectation values for the values of both qubits [closed]
Awarded Nov 24 at 16:20
How to convert a partially entangled state into maximally entangled using SLOCC
Awarded Nov 24 at 12:28
Moments of Pauli coefficients of Haar-random states
Awarded Nov 24 at 8:06
What is the clear definition of coherent versus incoherent errors?
Awarded Nov 23 at 2:11
Question about Nielson & Chuang Problem 9.2
Awarded Nov 23 at 1:30
How to compute Z logical operators of a toric code using Kunneth theorem?
Awarded Nov 22 at 20:27
Python code for D-Wave Annealer
Awarded Nov 21 at 17:31
Conditioned gates with multiple classical bits
Awarded Nov 20 at 21:57
Hadamard Gate on Cluster States
Awarded Nov 20 at 13:46
Is possible to write a separable state as a finite or countable infinite sum of product states?
Awarded Nov 20 at 11:16
Why doesn´t Grover's Algorithm work for my Qiskit circuit?
Awarded Nov 17 at 15:07
Quantum computation of classical Fisher information
Awarded Nov 17 at 1:56
How to combine measurement of each term in Hamiltonian $H = aH_1 + bH_2$ to get final results?
Awarded Nov 16 at 20:56
Why are quantum computing networks so far behind classical methods?
Awarded Nov 15 at 22:17
Derivation of Choi-Jamiolkowski isomorphism
Awarded Nov 14 at 20:27
What is the difference between quantum teleportation and quantum entanglement with dense coding?
Awarded Nov 12 at 16:45
time evolution of Hamiltonian and observables
Awarded Nov 12 at 10:10
Creating entangled states via Rydberg blockade
Awarded Nov 8 at 11:16
Phase shift on qiskit quantum teleportation simulation
Awarded Nov 7 at 17:30
Why do current large-scale QCs fail to run Shor's algorithm?
Awarded Nov 3 at 11:32
feedback based on multiple measurments
Awarded Nov 3 at 9:18
How are quasiprobabilities calculated when sampling from a nonsimulated ibm backend
Awarded Oct 31 at 21:33
How to create a maximally entangled state of two 4-level quantum mechanical systems?
Awarded Oct 31 at 14:11
Can we create a W state of n qubits with constant circuit depth using mid circuit measurements?
Awarded Oct 29 at 18:33
Algorithm to compute the parity of n qubits in n/2 queries
Awarded Oct 26 at 19:56
Why can $(0,0,3/5,0,0,0,4/5,0,0)$ be written as $\frac35|3\rangle+\frac45|7\rangle$?
Awarded Oct 25 at 23:45
Finding entanglement in matrix that is a sum of 4 Bell states
Awarded Oct 25 at 10:18
I/O problem in quantum computing
Awarded Oct 18 at 21:09
How to implement the state $|\psi\rangle = \frac{1}{\sqrt{2}}\left[|0\rangle \otimes |X_i\rangle + |1\rangle \otimes |X_j\rangle\right]$
Awarded Oct 18 at 8:58
What are the correct gates for the following unitary matrix?
Awarded Oct 16 at 9:45
How to work with SwitchCaseOp?
Awarded Oct 15 at 20:42
On the optimality of Grover's algorithm by constant factors
Awarded Oct 15 at 6:10
What is a Hadamard test?
Awarded Oct 12 at 17:26
Is a qubit passing through a gate a 3D rotation of the vector on the Bloch sphere?
Awarded Oct 11 at 13:15
How to correctly describe state preparation?
Awarded Oct 9 at 7:40
Compute the output of a quantum circuit with classically controlled operations
Awarded Oct 6 at 23:33
Error while installing Qiskit 0.44.2: "Preparing metadata (pyproject.toml) did not run successfully." [closed]
Awarded Oct 6 at 11:15
How to find explicit gate decomposition of a circuit implementing a unitary using HamiltonianGate()?
Awarded Oct 3 at 5:16
Given an observable $O$, what's the achievable maximum value of $\operatorname{Tr}(O\rho)$?
Awarded Oct 2 at 18:40
What happens to the Bell state qubits after the Quantum Teleportation?
Awarded Sep 29 at 1:46
Is it possible to produce an entangled state by measuring an unentangled state?
Awarded Sep 26 at 21:55
Does proximity of two bipartite states in a norm force high overlap between the elements of the Schmidt bases?
Awarded Sep 26 at 16:16
Survey of which 'physically interesting' many-body states can be efficiently prepared on a quantum computer?
Awarded Sep 26 at 15:40
Rabi amplitude in theory vs practice
Awarded Sep 25 at 5:05
Encoding circuit for $[\![6, 4, 2]\!]$ code
Awarded Sep 23 at 14:57
References for quantum state praparation: what states are easy to prepare and which ones aren’t?
Awarded Sep 21 at 22:06
Calculating the Expectation Value After Mid-Circuit Measurements in Qiskit
Awarded Sep 21 at 15:55
Can you twist a qubit?
Awarded Sep 19 at 15:49
How to apply CNOT on a three qubit system, with two qubits already entangled?
Awarded Sep 16 at 23:57
Is it possible to get access to the old noise model from a few months ago for Ibmq backends?
Awarded Sep 16 at 15:19
Implementing a simple time-correlated error model in Stim
Awarded Sep 15 at 1:09
Unitary operations in a Quantum Neural Network
Awarded Sep 14 at 9:42
Notation: Hamiltonian Simulation of Pauli Gates
Awarded Sep 13 at 10:56
Prove the fidelity equals $F( \rho , \sigma) = |\langle \psi_{\rho} | \psi_{\sigma}\rangle|^2$ for pure states
Awarded Sep 12 at 15:26
Simulating Sparse Hamiltonians: help understanding query complexity bounds
Awarded Sep 12 at 1:57
Half Adder using CNOT Gates
Awarded Sep 11 at 4:40
Given a COMPLEX unitary matrix, how can I construct a unitary gate in Qiskit?
Awarded Sep 9 at 14:20
What is the quantum circuit to prepare a Bell state?
Awarded Sep 8 at 19:05
Math Behind $X$ Gate With Arbitrary Phase is equivalent to $ZXZ$ Gate
Awarded Sep 7 at 18:05
1
2 3 4 5
…
32

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.