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Quantum Computing
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Mengr's user avatar
Mengr's user avatar
Mengr
  • Member for 4 years, 2 months
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17 Questions

Score Activity Newest Views
8 votes
2 answers
654 views

How to compute the measurement probability in swap test?

6 votes
1 answer
424 views

Why do we use complex-conjugate instead of complex-conjugate-transpose when calculating the concurrence?

5 votes
1 answer
401 views

What is a maximal entangled multipartite state?

3 votes
2 answers
96 views

What do quantum noise models have in common?

2 votes
1 answer
118 views

Are $n$-qubit Pauli channels $\mathcal E(\rho)=\sum_j p_j P_j \rho P_j$ invertible?

2 votes
2 answers
92 views

Why density matrix representation usually written in the following form?

1 vote
1 answer
283 views

What is state preparation and measurement errors (SPAM)?

1 vote
2 answers
49 views

What is the difference between the complexity $O$-notation?

1 vote
1 answer
308 views

Why Kraus operator is not a number?

1 vote
0 answers
166 views

How comes the definition of Pauli transfer matrix?

1 vote
1 answer
125 views

How can I represent the completely mixed state as $\frac I2=\frac14(\rho+X\rho X+Y\rho Y+Z\rho Z)$?

1 vote
1 answer
71 views

Why use conjugate not transpose complex conjugate in superoperator？

1 vote
2 answers
71 views

What's the symbol $\circ$ called, and what does it mean?

0 votes
0 answers
32 views

Does anybody know what a low-degree Markov field is?

0 votes
0 answers
26 views

Does the maximum-likelihood estimation use all the measurement settings?

0 votes
0 answers
178 views

What is the Pauli channel characterizing?

0 votes
1 answer
156 views

What is the rank of the pure state?

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