N-qubit entanglement via the $J_y^2$-type collective interaction

Details N-qubit entanglement via the $J_y^2$-type collective interaction N-qubit entanglement via the $J_y^2$-type collective interaction

2005-09-30

arxiv.org/abs/quant-ph/0509218v1

Phys. Letts. A 345, 38 (2005)

Physics

Quantum Physics

12 pages, 3 figures

Scientific paper

10.1016/j.physleta.2005.07.016

We investigate quantum correlations of the $N$-qubit states via a collective
pseudo-spin interaction ($\propto J_y^2$) on arbitrary pure separable states
for a given interval of time. Based on this dynamical generation of the
$N$-qubit maximal entangled states, a quantum secret sharing protocol with $N$
continuous classical secrets is developed.

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