English

Monogamy properties of qubit systems

Quantum Physics 2018-12-05 v1

Abstract

We investigate monogamy relations related to quantum entanglement for nn-qubit quantum systems. General monogamy inequalities are presented to the β\betath (β(0,2))(\beta\in(0,2)) power of concurrence, negativity and the convex-roof extended negativity, as well as the β\betath (β(0,2))(\beta\in(0,\sqrt{2})) power of entanglement of formation. These monogamy relations are complementary to the existing ones with different regions of parameter β\beta. In additions, new monogamy relations are also derived which include the existing ones as special cases.

Keywords

Cite

@article{arxiv.1812.01134,
  title  = {Monogamy properties of qubit systems},
  author = {Xue-Na Zhu and Shao-Ming Fei},
  journal= {arXiv preprint arXiv:1812.01134},
  year   = {2018}
}

Comments

13pages, 2 figures