Quantum Computing
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All Questions Answers
Score Newest
question
12
Density matrix after measurement on density matrix
Nov 30, 2018
answer
7
Trying to understand this measurement of a simple quantum circuit
Dec 10, 2020
question
6
BB84 Protocol Alice Choice to Bob
May 28, 2018
question
5
Physical Interpretation of Pauli Matrices as Polarization Check
Oct 9, 2019
question
5
Is the quantum state fidelity defined as $F(\rho, \sigma)=\text{tr}\sqrt{\rho^{1/2}\sigma\rho^{1/2}}$ or its square?
Apr 13, 2020
question
5
How are the eigenvalues of $\rho=\frac12(|a\rangle\!\langle a| +|b\rangle\!\langle b|)$ derived?
Nov 28, 2020
question
5
How to prove the positivity of the conditional quantum mutual information, $I(A;B|C)\ge0$?
Jun 22, 2021
answer
5
How to obtain arbitrary distribution in quantum database
May 30, 2018
question
4
Concavity of Conditional Quantum Entropy
Aug 25, 2021
question
4
Semi-definite program for smooth min-entropy
Jul 2, 2020

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