Tighter monogamy relations of quantum entanglement for multiqubit W-class states

TL;DR

This paper develops tighter analytical monogamy inequalities for entanglement measures like concurrence and negativity of assistance in multiqubit W-class states, enhancing understanding of entanglement distribution.

Contribution

It introduces new, tighter monogamy inequalities for concurrence and negativity of assistance in multiqubit W-class states, improving upon previous bounds.

Findings

New monogamy inequalities are tighter than existing ones.

Analytical bounds are derived for concurrence of assistance.

Analytical bounds are derived for negativity of assistance.

Abstract

Monogamy relations characterize the distributions of entanglement in multipartite systems. We investigate monogamy relations for multiqubit generalized W-class states. We present new analytical monogamy inequalities for the concurrence of assistance, which are shown to be tighter than the existing ones. Furthermore, analytical monogamy inequalities are obtained for the negativity of assistance.