Quantum Computing
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Rob's user avatar
Rob's user avatar
Rob
  • Member for 4 years, 3 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
question
7
What is "linear" in linear entropy?
Feb 28, 2022
question
6
What is the difference between the action of $Z$ and $\exp(-i Z t)$ on a state?
Jan 29, 2020
question
4
How to compute the capacity of a quantum channel from its Kraus operators?
Jun 24, 2020
question
3
Prove expressions for visibilities $\operatorname{Tr}(\rho_a^2\rho_b^2), \operatorname{Tr}[(\rho_a \rho_b)^2]$ in terms of SWAP operations
Jun 29, 2020
question
3
Can $U(\rho_1\otimes\rho_2)U^\dagger$ be entangled if either of $\rho_1$ or $\rho_2$ is a maximally mixed state?
Jun 14, 2020
question
2
Representing a von Neumann measurement as $[\mathcal{I} \otimes P_i] U(\rho_s \otimes \rho_a)U^{-1} [\mathcal{I} \otimes P_i]$, how do we choose $U$?
Jul 15, 2020
question
1
What does the unitary $[|0\rangle\langle 0|\otimes I+|1\rangle\langle1|\otimes(|1\rangle\langle 0|+|0\rangle\langle1|)]\otimes I$ represent?
Jul 31, 2020
question
1
What is the physical meaning of the Hamiltonian $H = \alpha ( |01 \rangle \langle10| + | 10 \rangle \langle 01| )$?
Jun 11, 2020
question
-2
Is $M = a \mathbb{I} - ib \sigma_Z$ a valid representation in terms of logic gates?
Aug 26, 2019
Top network posts
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6
Can every non-hermitian matrix be written as a sum of hermitan matrices?
6
Solving a matrix pencil (quadratic eigenvalue) problem with Mathematica

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