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Cei328
  • Member for 2 years, 6 months
  • Last seen more than a month ago
18 votes
2 answers
453 views

Can we combine the square roots inside the definition of the fidelity?

  • 2,107
15 votes
1 answer
414 views

Does higher channel fidelity imply higher entanglement fidelity?

8 votes
0 answers
175 views

What is the motivation for Weyl matrices in quantum information theory?

5 votes
3 answers
3k views

What does quantum gate fidelity mean?

  • 131
4 votes
0 answers
70 views

Is there a two-qudit Choi entanglement witness $W^{(+)}$?

4 votes
0 answers
98 views

Forbidden/allowed outputs of a quantum channel

  • 2,119
3 votes
1 answer
89 views

Counting channel uses of the lossy bosonic channel or definition of channel uses

2 votes
0 answers
45 views

Teleportation and non-orthogonal measurement operators

  • 819
2 votes
1 answer
115 views

Commutation of bosonic operators on finite Hilbert space

  • 257
2 votes
1 answer
278 views

What is infinite squeezing?

  • 3,202
1 vote
1 answer
172 views

Can the fidelity $F(\rho,\sigma)$ be computed knowing only $\rho - \sigma$?

  • 2,119
0 votes
1 answer
75 views

Entanglement and teleportation transmission costs

  • 1,380