Quantum Computing

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First edit.
Awarded 1222 times.
No-cloning theorem and distinguishing between two non-orthogonal quantum states
Awarded Feb 11 at 18:05
Q# installation on Heroku
Awarded Feb 7 at 0:02
(post deleted or otherwise unavailable)
Awarded Feb 6 at 17:33
How do two H gates act on two entangled qubits?
Awarded Feb 6 at 14:27
Calculating energy function with 1&2-RDM (reduced density matrix) in Qiskit
Awarded Feb 6 at 7:55
How do I determine if a given pure two-qubit state is separable?
Awarded Feb 5 at 22:35
How do I determine if a given pure two-qubit state is separable?
Awarded Feb 5 at 20:19
Quantum Amplitude Estimation vs Quantum Phase Estimation
Awarded Feb 4 at 22:11
(post deleted or otherwise unavailable)
Awarded Feb 4 at 16:46
(post deleted or otherwise unavailable)
Awarded Feb 4 at 11:42
How are inputs during the quantum communication between Alice and Bob placed in the Galois Field?
Awarded Feb 3 at 13:47
Why does Grover's algorithm reflect along $|000...0\rangle$?
Awarded Feb 3 at 6:17
How is $\sum_i\langle i|M|i\rangle$ correlated to $\mathrm{tr}(M)$?
Awarded Feb 1 at 18:17
How to do the counting when computing the fault tolerant threshold of quantum codes?
Awarded Feb 1 at 7:37
Can Shor‘s code correct two- or three-qubit errors?
Awarded Jan 29 at 18:02
Theoretical obstacles for a BZK-like quantum algorithm instantiated with a subroutine operates at small block size?
Awarded Jan 29 at 11:05
Prove that $a|00\rangle+b|01\rangle+c|10\rangle+d|11\rangle$ is separable iff $ad-bc=0$
Awarded Jan 29 at 3:11
Does the no-hiding theorem suggest that quantum information is never destroyed?
Awarded Jan 28 at 15:18
What does a gate electrode do in the context of a quantum dot?
Awarded Jan 27 at 20:33
Aren't qubits just ternary?
Awarded Jan 27 at 4:08
Gate SWAP vs Physical SWAP in Trapped Ions for chain reordering
Awarded Jan 26 at 13:46
Does applying the transformation $\sum\alpha_{jk}|j,f(k)\rangle\mapsto\sum\omega_N^{-jk}\alpha_{jk}|j,f(k)\rangle$ require computing $f^{-1}$?
Awarded Jan 26 at 7:55
What's the 'physical consistency' in the partial trace scenario?
Awarded Jan 25 at 14:16
No. of bits in 160 qubits computer [duplicate]
Awarded Jan 25 at 11:17
Qiskit: getting QAOA expectation
Awarded Jan 24 at 12:27
Question on practical quantum computing programming code [duplicate]
Awarded Jan 24 at 7:25
How to convert a dataset of different values in [0,1000] to quantum data for training a model using Tensorflow QuantumHaving?
Awarded Jan 20 at 13:16
In Simon's algorithm, is there a general method to define an oracle given a certain periodicity?
Awarded Jan 18 at 10:41
(post deleted or otherwise unavailable)
Awarded Jan 17 at 22:41
Quantum teleportaion seems to occuring without entanglement in circuit (what's wrong)
Awarded Jan 15 at 13:25
A question regarding quantum phase estimation algorithm
Awarded Jan 14 at 12:50
Is there an efficient circuit implementing the unitary $U|x\rangle|0\rangle=|x\rangle\Big(\sqrt{1 - x/2^n}\,|0\rangle+\sqrt{x/2^n}|1\rangle\Big)?$
Awarded Jan 11 at 18:25
Job fails when using PulseSimulator: Job Status: job incurred error
Awarded Jan 11 at 15:05
Job fails when using PulseSimulator: Job Status: job incurred error
Awarded Jan 10 at 21:20
Conjugation of $R_x(\theta)$ with $CNOT$
Awarded Jan 10 at 20:04
Comparing method of differentiation in variational quantum circuit
Awarded Jan 7 at 13:28
What applications does Grover's Search Algorithm have?
Awarded Jan 7 at 10:18
How to show that a given mixed two-qubit state is separable? [closed]
Awarded Jan 4 at 12:15
How does $U_f$ act on a qudit state in the Deutsch-Jozsa Algorithm
Awarded Jan 4 at 9:50
What is the probability of error in quantum fingerprinting using cswap test?
Awarded Dec 31 '20 at 0:56
How does the outcome of measurement of a qubit change when we use different basis despite the system hasn't changed? [closed]
Awarded Dec 29 '20 at 3:16
Gate-level implementation of Eigenvalue-Inversion in HHL
Awarded Dec 27 '20 at 19:09
Qiskit issues with Apple Silicon?
Awarded Dec 24 '20 at 20:13
I am uploading a CSV file but cannot access it in the notebook [closed]
Awarded Dec 24 '20 at 3:50
Why isn't output of Deutsch–Jozsa Algorithm simply $|0\rangle$?
Awarded Dec 23 '20 at 20:26
How can infinite information be theoretically encoded or stored in a single qubit?
Awarded Dec 23 '20 at 16:18
How to Aggregate Multiple Gate Fidelities
Awarded Dec 22 '20 at 22:51
XY Hamiltonian in a 1D Heisenberg Chain
Awarded Dec 20 '20 at 18:56
Partial Trace of Werner State
Awarded Dec 20 '20 at 15:49
Circuit composer RX or RY gate disappears
Awarded Dec 20 '20 at 14:07
Computing the CDF with QAE in Qiskit
Awarded Dec 18 '20 at 4:41
Circuit composer RX or RY gate disappears
Awarded Dec 17 '20 at 17:31
Can QAOA solve a constraint optimization problem?
Awarded Dec 17 '20 at 6:41
How to interpret complex probability of superposition state?
Awarded Dec 16 '20 at 8:25
Role of convexity in proof of Monogamy of Bell correlations
Awarded Dec 15 '20 at 15:35
Have you ever seen the preparation of the state $a^{*}|0\rangle+b^*|1\rangle$ and $a|0\rangle+b|1\rangle$ from one initial state?
Awarded Dec 14 '20 at 10:50
How can I measure a qubit on a generic axis on Qiskit?
Awarded Dec 13 '20 at 20:02
Decomposition of 2-qubit Hamiltonian into standard gate set for QAOA
Awarded Dec 13 '20 at 18:10
(post deleted or otherwise unavailable)
Awarded Dec 12 '20 at 6:04
(post deleted or otherwise unavailable)
Awarded Dec 11 '20 at 19:20
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