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8 Answers

Votes Activity Newest

7

How are arbitrary $2\times 2$ matrices decomposed in the Pauli basis?

Jul 28 '19 at 20:12

5

A basic question on circuits and matrix representation

Jul 31 '19 at 20:45

4

Does it make sense to sum two Choi operators?

Nov 26 '20 at 18:12

4

What is the unitary operator realizing a given CPTP operator

Jul 31 '19 at 23:38

4

Trace preserving condition in Choi's thorem

Jul 31 '19 at 23:27

2

Can there be multiple energy eigenstates corresponding to the same eigenvalue of a Hamiltonian (Pauli-X)?

Aug 4 '19 at 20:57

1

Prove that $\operatorname{Tr}_B(O_A M)=O_A\operatorname{Tr}_B(M)$

Apr 28 '20 at 8:53

1

Is $M = a \mathbb{I} - ib \sigma_Z$ a valid representation in terms of logic gates?

Aug 28 '19 at 8:57

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