draks ...
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3 answers
5 votes
484 views
2 bookmarks
Nielsen&Chuang 5-qubit quantum error-correction encoding gate
2 answers
0 votes
310 views
2 bookmarks
Generate a quantum state that sums up all permutations of elements
2 answers
2 votes
236 views
1 bookmarks
Is my $|0\rangle$ state mixed or pure?
4 answers
3 votes
202 views
2 bookmarks
Is there a separable state that is furthest away from an entangled one?
3 answers
3 votes
189 views
What is the complexity of splitting a state into a superposition of $n$ computational basis states?
1 answers
2 votes
135 views
Cheap Toffoli gates with phase errors
2 answers
3 votes
114 views
2 bookmarks
Decomposition of $|110\rangle \leftrightarrow |000\rangle$ Exchange Gate
0 answers
0 votes
90 views
What is the best strategy to get an upper bound to measure $|00\cdots 0\rangle$?
1 answers
3 votes
82 views
Is the partial trace $\mathrm{Tr}_B(\rho)$ equal to $\sum_k \mathrm{Tr}[(\sigma_k\otimes I)^\dagger \rho]\sigma_k$?
1 answers
1 votes
77 views
Separability Criterion for Multipartite GHZ Quantum States
1 answers
1 votes
74 views
1 bookmarks
Any two level flip in $n$ qubit system
0 answers
3 votes
70 views
1 bookmarks
Reduced Density Matrix Equation of Motion to describe an Ellipse
1 answers
1 votes
58 views
Lower Bound to Measure Entanglement in Mixed States
0 answers
2 votes
20 views
Can we speed up the adiabatic process if we split the target hamiltonian in commuting parts?