Physics – Quantum Physics
Scientific paper
2006-08-30
Physics
Quantum Physics
9 pages, 1 figure, to be published in Phys. Rev. A
Scientific paper
We propose a genuine multi-party correlation measure for a multi-party quantum system as the trace norm of the cumulant of the state. The legitimacy of our multi-party correlation measure is explicitly demonstrated by proving it satisfies the five basic conditions required for a correlation measure. As an application we construct an efficient algorithm for the calculation of our measures for all stabilizer states.
Xu Zhiyong
You Liangzhi
Zeng Bei
Zhou Dong-Lin
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