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Dina Abdelhadi's user avatar
Dina Abdelhadi's user avatar
Dina Abdelhadi's user avatar
Dina Abdelhadi
  • Member for 3 years, 11 months
  • Last seen more than 2 years ago
5 votes
1 answer
468 views

How to compute the tensor product of the depolarizing channel with the identity?

4 votes
1 answer
204 views

What does vanishishing mutual information of the Choi imply about the channel?

4 votes
1 answer
175 views

Is there a proof or example to show that a noiseless subsystem is not necessarily closed under addition?

4 votes
1 answer
163 views

In QAOA, why do we pick the initial Hamiltonian $B$ to be $\sigma_x$ applied to each qubit?

3 votes
1 answer
72 views

Does the trace distance between marginals bound the distance between the overall states?

3 votes
3 answers
202 views

How is it not a contradiction that it is possible to build fault tolerant circuits with strictly contractive (e.g.: depolarizing noise) channels?

2 votes
1 answer
211 views

Finding the irreducible representation of Kraus operators of a dephasing channel

2 votes
0 answers
27 views

Density matrix of spatially (i.e., at the same time instant) vs. causally ( i.e., one evolves into the other) correlated quantum systems

1 vote
1 answer
63 views

Is the restriction of a strictly contractive channel (SCC) to a subspace necessarily still SCC? (impossibility of perfect QEC for SCCs)