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Quantum Computing

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Awarded 736 times.
Why can't quantum computation replace classical computation?
Awarded 2 days ago
Why can't quantum computation replace classical computation?
Awarded 2 days ago
IBM Circuit Composer pane is blank
Awarded Jun 9 at 21:03
Why can't quantum computation replace classical computation?
Awarded Jun 9 at 15:08
QPE Circuit test on Quantum Computer ('ibmq_16_melbourne')
Awarded Jun 8 at 9:26
What are standard/most popular data formats to represent quantum circuits including hardware specifications?
Awarded Jun 8 at 8:41
Use one_body_integrals to know which orbitals to freeze in ElectronicStructureProblem
Awarded Jun 7 at 15:55
How do local quantum gates affect an entangled state?
Awarded Jun 5 at 12:25
What is the relation between Hadamard transformation and QFT?
Awarded Jun 4 at 15:55
How to implement gate error mitigation in Qiskit?
Awarded Jun 3 at 14:06
Currently, what are the best structured courses available online on quantum computing?
Awarded Jun 1 at 13:46
Why is there no angle for the $z$ axis in the Bloch sphere?
Awarded May 31 at 17:21
What is the significance of the phase angle?
Awarded May 31 at 12:33
SWAP gate on 2 qubits in 3 entangled qubit system
Awarded May 30 at 16:20
Quantum fidelity simplified formula while both of the density matrices are single qubit states
Awarded May 30 at 7:06
Is there a way to within a quantum circuit work out if a qubit is in a superposition or not?
Awarded May 29 at 7:57
IBMQFactory object has not attribute backends
Awarded May 28 at 11:32
Things that I can compare between QDK and Qiskit
Awarded May 25 at 4:01
Understanding the (2,3) threshold quantum secret sharing scheme in Cleve et al. 1999
Awarded May 22 at 6:51
What is the relation between these two forms of a single-qubit unitary operation?
Awarded May 17 at 13:55
Knill-Laflamme condition derivation in Nielsen&Chuang: issue to understand a part of the proof
Awarded May 15 at 18:02
Qiskit Portfolio Optimization : Does the resulting matrix show the stock combination to select?
Awarded May 15 at 6:30
Unit vanishes in the Quantum Cramer-Rao Bound?
Awarded May 10 at 21:26
Measuring second excited state |2> using “calibrations” not Open Pulse
Awarded May 7 at 11:47
Method to derive Matrix description of a circuit
Awarded May 6 at 19:32
Is there a general order finding quantum algorithm for a given a and N?
Awarded May 6 at 19:32
Issue in running the qiskit tutorial for QSVM
Awarded May 5 at 9:37
(post deleted or otherwise unavailable)
Awarded May 3 at 18:28
Currently, what are the best structured courses available online on quantum computing?
Awarded May 2 at 6:03
Quantum Amplitude Estimation vs Quantum Phase Estimation
Awarded May 2 at 6:03
How can we only use 8192 shots for an experiment with 14 or more qubits?
Awarded May 1 at 19:41
Transpiling error in IBM Quantum Experience
Awarded May 1 at 6:53
BB84 attack with entangled qubits example
Awarded Apr 30 at 18:07
What is the IQ plane?
Awarded Apr 30 at 10:47
Relationship of Adiabatic Quantum Computing speedup to Quantum Random Walk hit time
Awarded Apr 28 at 14:43
What is the difference between Bloch's sphere and IBM's Q-sphere?
Awarded Apr 23 at 22:17
(post deleted or otherwise unavailable)
Awarded Apr 21 at 6:37
(post deleted or otherwise unavailable)
Awarded Apr 20 at 7:53
Openfermion : `get_sparse_operator` issue
Awarded Apr 19 at 20:48
Easiest hash function to implement on Qiskit
Awarded Apr 19 at 9:48
What is a Bacon-Shor code and what is its significance?
Awarded Apr 16 at 17:49
Unknown error code [5204] when running job on IBM's qasm_simulator
Awarded Apr 14 at 17:43
Amplitude Damping of a Harmonic Oscillator
Awarded Apr 14 at 16:53
Measuring entanglement entropy using a stabilizer circuit simulator
Awarded Apr 13 at 15:43
What exactly makes quantum computers faster than classical computers?
Awarded Apr 12 at 19:40
Optimising Angle Code in Qiskit - Using the QAOAVarForm
Awarded Apr 9 at 18:57
Are spin-glass problems NP (-complete)?
Awarded Apr 8 at 6:41
What is the physical unit of the energy calculated using VQE on Qiskit?
Awarded Apr 7 at 11:37
How to do the direct evaluation by hand in QAOA algorithm
Awarded Apr 6 at 23:57
How do I get the Unitary matrix of this circuit without using 'unitary_simulator'?
Awarded Apr 4 at 18:41
How do I get the Unitary matrix of a circuit without using the 'unitary_simulator'?
Awarded Apr 4 at 12:30
Are these two 'divided by two' terms related?
Awarded Apr 3 at 14:55
Adiabatic Quantum Computer e intermediate Hamiltonian evolves the state within the manifold
Awarded Mar 26 at 20:55
Why are diagonal Hamiltonians considered classical?
Awarded Mar 25 at 18:32
The complexity of LH with constant gap
Awarded Mar 22 at 22:55
Are entangled and Bell states the same thing?
Awarded Mar 22 at 5:56
Phase estimation error analysis
Awarded Mar 17 at 23:52
Statevector Simulation of QAOA always finds exact solution
Awarded Mar 15 at 15:31
Why does the Qiskit tutorial for the Variational Quantum Linear Solver not work properly?
Awarded Mar 12 at 20:10
What is the advantage of QSVM over the classical SVM?
Awarded Mar 10 at 11:43
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