meelszz
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1 answers
4 votes
429 views
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How to find a common eigenstate of commuting operators?
2 answers
3 votes
628 views
1 bookmarks
How to find the reduced density matrix of a four-qubit system?
1 answers
2 votes
65 views
Perform quantum gate operations using state vectors and matrices
3 answers
2 votes
437 views
Find probability of a single qubit's measurement results from a 5 qubit state
1 answers
2 votes
92 views
Find the local unitary that takes the bell state to a state phi that has an extractable bell state
1 answers
2 votes
48 views
Is it possible to have entanglement with different sized parties or with more than 2 parties?
3 answers
2 votes
794 views
Controlled Z gate acting on 3 qubits in matrix form
2 answers
2 votes
222 views
How do I write a tensor product of conditional gates in matrix form?
1 answers
1 votes
458 views
1 bookmarks
Intuitive meaning of the eigenvalues and eigenvectors of a reduced density matrix
1 answers
1 votes
538 views
Taking the two qubit reduced density matrix on a 5 qubit system
2 answers
1 votes
106 views
How to represent $|+\rangle$ in Python?