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AHusain's user avatar
AHusain's user avatar
AHusain
  • Member for 6 years, 3 months
  • Last seen more than a week ago
11 votes
Accepted

How can I build a circuit to generate an equal superposition of 3 outcomes for 2 qubits?

10 votes

Why is an entangled qubit shown at the origin of a Bloch sphere?

9 votes
Accepted

Confusion on the definition of the phase-damping channel

9 votes
Accepted

Implementation of inverse QFT?

8 votes

What would be the meaning of an $i$ in a qubit state $i\alpha|0\rangle+\beta|1\rangle$?

7 votes

What is the difference between a qudit system with d=4 and a two-qubit system?

7 votes

CNOT Gate on Entangled Qubits

7 votes

Automatic compilation of quantum circuits

6 votes
Accepted

How to check if 2 qubits are entangled?

6 votes

Definition of the Pauli group and the Clifford group

6 votes
Accepted

Why is the quantum Fisher information for pure states $F_Q[\rho,A]=4(\Delta A)^2$?

6 votes

No-cloning theorem does not seem precise

5 votes
Accepted

How to decompose a controlled unitary $C(U)$ operation where $U$ is a 2-qubit gate?

5 votes
Accepted

Expressing CNOT in the eigenbasis of $X$ (Preskill lecture notes eq. 7.6)

5 votes
Accepted

Gate sequence for exponential of product of Pauli Z operators

5 votes
Accepted

How do I multiply an integer and a double in Q#?

5 votes
Accepted

Square root of NOT as a time-dependent unitary matrix

5 votes
Accepted

Does conditional gate collapse controller's superposition?

5 votes
Accepted

Do any educational quantum computing toys or devices exist?

5 votes

What role does the non-commutativity of the tensor product play in experimental quantum computation?

4 votes

Can one ever find the elements of a superposition state?

4 votes

How many qubits does it take to break a 10 characters password?

4 votes
Accepted

Can vectorization lead to mixed states?

4 votes

Graphical Calculus for Quantum Circuits

4 votes

Shortest sequence of universal quantum gates that correspond to a given unitary

4 votes
Accepted

Is qubit superposition a basis-dependent concept?

4 votes

The relationship between entanglement of vector states to matrix operations

4 votes
Accepted

Homeomorphism or stereographic projection corresponding to the set of mixed states within the Bloch sphere

4 votes
Accepted

Burnside Decomposition in Kuperberg's Hidden Shift

4 votes

What is the spectral decomposition of the Pauli $X$ gate?