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Quantum information is the study of the informational content of quantum states. The most common object of study is the "qubit", the information in a two-state quantum system such as spin-1/2 or photon polarization.
3
votes
Accepted
characterization of non-entangling gates
I have recently found a reference proving the statement from my question. It is:
Universal quantum gates
Jean-Luc Brylinski and Ranee Brylinski
In Mathematics of Quantum Computation, Chapman & Hall ( …
2
votes
2
answers
291
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characterization of non-entangling gates
I suspect the following is true and "well-known" but I cannot find any reference for it. Can anyone help?
Let $U$ be a unitary quantum gate acting on a pair of $d$-dimensional qudits. Suppose $U$ is …