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quant-ph2007★ 32 cited
How many CNOT gates does it take to generate a three-qubit state ?
Marko Znidaric, Olivier Giraud, Bertrand Georgeot
The number of two-qubit gates required to transform deterministically a three-qubit pure quantum state into another is discussed. We show that any state can be prepared from a prod…
quant-ph2007
Purity distribution for bipartite random pure states
O. Giraud
Analytic expressions for the probability density distribution of the linear entropy and the purity are derived for bipartite pure random quantum states. The explicit distributions…
quant-ph2007★ 25 cited
Entanglement of localized states
O. Giraud, J. Martin, B. Georgeot
We derive exact expressions for the mean value of Meyer-Wallach entanglement Q for localized random vectors drawn from various ensembles corresponding to different physical situati…