chrysaor4
  • Member for 3 years, 4 months
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1 answers
6 votes
268 views
6 bookmarks
What is the relation between POVMs and observables (as Hermitian operators)?
4 answers
18 votes
2k views
6 bookmarks
Alternative to Bloch sphere to represent a single qubit
5 answers
15 votes
563 views
3 bookmarks
Why do error correction protocols only work when the error rates are already significantly low to begin with?
0 answers
2 votes
44 views
1 bookmarks
Fault-tolerant qudit computation: advantage?
3 answers
18 votes
3k views
12 bookmarks
What are magic states?
3 answers
5 votes
567 views
1 bookmarks
Intuitive role of the polar decomposition in proof of Uhlmann's theorem for fidelity
3 answers
5 votes
2k views
5 bookmarks
Why does quantum computing generally use matrix formulation of quantum mechanics rather than a continuous variable formulation?
1 answers
3 votes
208 views
1 bookmarks
Direct derivation of the Kraus representation from the natural representation, using SVD
2 answers
5 votes
629 views
3 bookmarks
How to define a quantum channel for the partial trace?
1 answers
3 votes
84 views
3 bookmarks
Equivalence of two ways to recover a map from its Choi state
1 answers
1 votes
103 views
1 bookmarks
How does the CPTP constraint reflect on the matrix representation of a qubit channel in the Pauli basis?
2 answers
4 votes
724 views
3 bookmarks
Do the Kraus operators of a CPTP channel need to be orthogonal?
2 answers
22 votes
4k views
8 bookmarks
What is the difference between transmon and Xmon qubits?
0 answers
1 votes
88 views
1 bookmarks
Why the chi-matrix fidelity of the process is the fidelity of the chi-matrix noise map
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