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Quantum Computing

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 Student
First question with score of 1 or more.
Awarded 3854 times.
Eigenvalues of Pauli Gate and connection to measurement
Awarded 10 hours ago
Variant of Quantum Hamming bound for CSS codes
Awarded 14 hours ago
Why is the group membership problem hard for general matrices but not for the stabilizer group?
Awarded yesterday
Do we really apply both single-qubit and two-qubit gates in the same layer in experiments?
Awarded yesterday
Super-dense coding by adding quantum correlations between classical bits
Awarded yesterday
Confusion on the Quantum Minimum Finding Algorithm
Awarded yesterday
How many observables do we need to confirm a qubit state?
Awarded 2 days ago
qiskit DraperQFTAdder
Awarded 2 days ago
Why do Bell states have all real coefficients?
Awarded 2 days ago
How does one identify Pauli logicals in a hyperbolic surface code?
Awarded Jul 21 at 10:32
In exercise 8.23 of Nielsen and Chuang why is the quantum operation no longer trace-preserving?
Awarded Jul 20 at 19:31
Why do we use Z-gates in the following figure?
Awarded Jul 19 at 11:11
How to calculate guessing probability for quantum key distribution?
Awarded Jul 19 at 6:17
Higher spin Clifford gates
Awarded Jul 18 at 14:07
Projection and inner products in stim
Awarded Jul 17 at 8:37
What exactly is the computational or standard basis?
Awarded Jul 16 at 18:51
Doing Quantum State Tomography on a custom-made gate with Qiskit Pulse
Awarded Jul 16 at 14:40
Code distance and existence of isometry in tensor networks
Awarded Jul 16 at 14:07
Qiskit not efficiently compiling with new gate basis
Awarded Jul 15 at 13:01
Alice and Bob play a Multi-Qubit game
Awarded Jul 15 at 7:25
How do you import the name β€˜Aer’ from qiskit?
Awarded Jul 15 at 7:17
In hetero (homodyne) detection, what does it mean to operate at the quantum shot limit?
Awarded Jul 14 at 13:40
What is the connection between an observable and a gate?
Awarded Jul 13 at 21:37
What is the origin of the term POVM?
Awarded Jul 13 at 14:47
Intro book on classical and quantum computing by Thomas G Wong
Awarded Jul 13 at 6:27
Why when using Shor's Algorithm to factor 33 am I getting 5 as a period half of the time?
Awarded Jul 12 at 6:04
SchrΓΆdinger equation and Hamiltonian ground state
Awarded Jul 12 at 5:20
Finding the violating bound of CHSH using the first level of NPA hierarchy on MATLAB
Awarded Jul 11 at 17:11
Applicability of the error analysis of HHL algorithm assuming spectrum could contain negative and positive eigenvalues
Awarded Jul 11 at 13:43
Wong's "Introduction to Classical and Quantum Computing" Exercise 7.20
Awarded Jul 11 at 7:25
SparsePauliOp' object has no attribute 'primitive_strings' warning for a max-cut problem using QAOA and MinimuEigenOptimizer
Awarded Jul 10 at 14:45
Magnon blockade
Awarded Jul 9 at 21:35
Deriving |πΆπΆπ‘βŸ© magic states from |πΆπΆπΆπ‘βŸ©?
Awarded Jul 9 at 21:35
Is there any QML algorithm that performs better than a classical one in practice?
Awarded Jul 9 at 12:32
What does it mean for a gate to "commute with a measurement"?
Awarded Jul 9 at 11:06
How I can preform a unitary operation on the third qubit of the GHZ state [closed]
Awarded Jul 9 at 8:51
How is an output answer actually extracted from a quantum computer? [closed]
Awarded Jul 8 at 12:07
What is the minimum number of separable states (not necessarily pure) needed to decompose arbitrary separable states?
Awarded Jul 8 at 8:57
Does Levy's lemma hold for unitary/spherical designs?
Awarded Jul 7 at 9:41
Single-qubit quantum channel from the CNOT gate
Awarded Jul 6 at 22:10
How to find the undetected errors for general stabilizer codes in Stim?
Awarded Jul 6 at 22:05
How do Union-Find Decoders deal with Measurement errors through multiple measurement rounds?
Awarded Jul 6 at 17:15
How to estimate noisy expectation value in limit of infinite shots?
Awarded Jul 5 at 17:18
Is it acceptable for a physics student to write a master's thesis on quantum computing software? [closed]
Awarded Jul 3 at 11:40
Stabilizers of higher dimensional maximally entangled state of non-$2^k$ dimension
Awarded Jul 3 at 6:42
Locality of Hamiltonian through basis change
Awarded Jul 2 at 19:35
States that verify behaviour of Pauli operators in Clifford circuits
Awarded Jul 1 at 21:51
How can I become a better quantum software developer? [closed]
Awarded Jun 30 at 21:26
How to implement frequencies (drive,measuring) and temperature in a qiskit Noise Model?
Awarded Jun 30 at 13:19
What are some resources to get started in quantum computing for nuclear and high-energy physics?
Awarded Jun 30 at 13:19
Show that transformation $U_f: \left| x, y \right\rangle \to \left| x, y \oplus f(x) \right\rangle$ is unitary [duplicate]
Awarded Jun 30 at 13:12
Quantum Phase Estimation for Chemical Hamiltonian
Awarded Jun 29 at 6:52
How do these two notions of "multiplicative approximation" relate?
Awarded Jun 28 at 6:47
Are close states still close after measurement (regarding trace distance)?
Awarded Jun 26 at 12:21
What is the Bregman projection of $\rho+\epsilon X$ onto the space of states?
Awarded Jun 25 at 17:16
How is projective measurement usually handled in matrix product state-based simulators?
Awarded Jun 25 at 6:25
How to run Shor's algorithm on real quantum hardware with Qiskit?
Awarded Jun 25 at 6:25
Generating Clifford Circuits for Conjugating a List of Pauli Strings Into Another
Awarded Jun 24 at 21:26
(post deleted or otherwise unavailable)
Awarded Jun 24 at 17:21
No-cloning theorem and distinguishing between two non-orthogonal quantum states revisited revisited
Awarded Jun 24 at 17:08
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